1. Base health: 584.4 / per level: +80
2. Base healthregeneration: 8.005 / per level +0,6
3. Base attack damage: 61.036 / per level +3,2
4. Base attack speed: 0.644 / per level +1,85%
5. Base armor: 26.88 / per level +3,5
6. Base magic resistance: 32.1 / per level +1,26

All Skills except your ultimate generates 20 heat.
Above 50 heat is dangerzone , in which you gain 50% damage,speed/shield or damage/slow buff for
Flamespitter , Scrap Shield and Electro-Harpoon.
So try to stay in the dangerzone everytime when possible.
You won't get any extra buffs if you use your skills under 50 heat(like 30-40(even if the colour change with a little delay)) and reach 50 Heat or more.
Besides the buffs you get realy strong auto attacks making additional magic damage to creeps and champions if you overheat ( at 100 heat),but you are in this time unable to use any skills for 6 seconds.

There are a few ways of Skill sequences i will mention later.

This is Rumble's main damage ability with only 6 seconds cooldown. It is extremely useful in a teamfight, because it deals AREA-DAMAGE in a cone infront of you. It deals only half damage to minions. After activation this skill (it points to your cursor), you gain a 3 second buff(when activated, it works even if you are silenced/stuned/or if you use Zhonya's Hourglass damaging every 0.5 seconds in Rumble's direction. Harrasing with Flamespitter often results in loosing minions or pushing the lane.
If you harrass try to not hit your minions, and if you try to farm with your Flamespitter only reduce the life of them and don't try to last hit with it.
You can kite with Flamespitter your enemy who is charging to you, by turning while you keep your distance, if he is slowed by Electro-Harpoon or The Equalizer.
Possible to harrass your enemy near his tower with Flamespitter without getting hit by his tower.
If your enemy runs away you can follow him to get the full damage of your skill(wards are important!!!).
Can be used to attack minions while hitting the opponent's tower(needs a good position(angular) at tower to hit many minions).
Most effective while in dangerzone(if the skill is used at 50 heat, makes50% extra dammage and if the enemy is slowed.
Some champions try to charge to you when your Flamespitter is almost finnished or on cooldown ( Fiora). Others try to get behind you to use there stun, to avoid your Flamespitter ( Renekton) or if you turn around ( Pantheon) will stun you. Keep that in mind.
Rylai's Crystal Scepter makes Flamespitter to a realy good slow skill.
Flamespitter doen't interrups your actions.
Many of the low difficulty champions, you can outzone from farm and maybe even experience, if you go between his minions and his tower punnishing him for trying to get near the minions, but in this case wards are very important.

If you get this skill on lvl 2 when you reach level 4 it already do a lot of damage.

Scrap shield is your only source of sustain and has a cooldown from 6 seconds.
If you use this skill, it provides Rumble with a small shield(for 2 seconds) -and speedbuff(for 1 second). Often you will use Scrap Shield to get in dangerzone to provide the extra damage for your Flamespitter or Electro-Harpoon and the speed buff to get a bit closer to your enemy, but you won't have your shield up for incoming damage like the Spear Shot of Pantheon.
This shield can be used to dodge tower hits, Ignite (care for your timing(only 2 seconds)) or to avoid skillshots from jungler.
Use this skill if you travel through the map to be faster and to stay in dangerzone. I have the feeling that if you use Scrap Shield your next auto atack is very short delayed.

Electro-Harpoon is one of the coolest slowskills in LOL, because you can activate this skill a second time within 3 seconds , it has a pretty good damage, range and an impressive slow with 10 seconds cooldown.Thats why you can farm safty , but the only proplem is the high cooldown which make you loos some creeps, if you only using this. Electro-Harpoon is almost your only way to get your oppenent away from you after charging to you, keep that in mind. If your oppenent charges to you, then try to hit Electro-Harpoon get some distance and kite him with Flamespitter.
If you hit your enemy twice the slow refresh its duration and increase the slow . So if the enemy still has Flash or an escape up, I would try to hit both harpoons as fast as possible(to get the hyper slow), otherwhise extend the slow duration, for eventualy getting another Flamespitter on him, but it is clear that if he is under tower you should hit both of them if possible(outrange tower). Sometimes they get closer to you, if they want to take some minions(or if enemies jungler arrives WARD!!), try to hit him in this time the second time. You should only wait for the second shot if he is not near his tower.
If you hit the enemy with your Electro-Harpoon/1-2 times you can go in and harrass with your Flamespitter or use The Equalizer + Ignite too, to get the kill ---> massive damage.
Before you go all in make sure that you harrassed your enemy to lower life /+ be in dangerzone(under 60 heat(depends on enemies life and distance to his tower))(still keep distance).
Try to force the enemy to use his escape before using The Equalizer.
You can shoot Electro-Harpoon in bushes or over walls to see if there are enemies or not.
If you use Electro-Harpoon you will stop a very short amount of time.

The Equalizer is one of the greatest ultimates in game. A good placed ultimate will result in a won teamfight . The cooldown of this ult is very short and almost everytime ready if you need it, with only 105/90/75 seconds cooldown . In a lane it will slow all enemies by 35% and deals tons of damage 650/925/1200(+150%AP) over 5 seconds. The key aspects to place this ultimate right, is to hit the most of the champions in the right areas, like parts of the jungle, dragon or baron (reduce the magic resistance of all nearby champions), where the enemies can't move right or left and are all in one spot.
The main focus should have the enmies carries, which will die very fast, if you be in dangerzone, Flamespitter <-> The Equalizer + Ignite on yor main focus+and at the end Zhonya's Hourglass---> everything dies in your little piece of burning land.
In most cases its better to not initiate the battle , only if its realy THAT PERFECT ULT POSSIBILITY.
On lane versus another player you can try to kite with the slow the ultimate grants you (enemy ganks).
Low life player can be sniped away with a range of 1700+the range of 1000 from his own lenght.
In many cases you can kill the enemies jungler who tries to kill you and your top lane enemy if your ultimate is up(maybe zhonyia's aswell), go to the bushes (near to your tower) to let them no space while attacking you, so if they still tries to attack you use The Equalizer over you and Flamespitter so that you hit both enemies.
Towerdives are in most cases realy bad but if the enemy has less then half life and your Electro-Harpoon hitted him / Ignite/ The Equalizer and Flamespitter is up you can try your luck.
You can catch enemies with the slow of your ultimate for your team or yourself, but don't waste The Equalizer in late game because its a realy important ultimate for any teamfights.
Informate your team that your ultimate is up or wait for your ultimate to start teamfights.
You can try to use on a low mobility champion your The Equalizer to initiate, while he stands between minions (to avoid getting hit by your Electro-Harpoon), to get the farm and free space to hit your Electro-Harpoon on him and kill him.
If your ult is up and you want to go back, you can use it to clear a minions wave while teleporting back(canon minions should have some damage before to kill them at the beginning of the game too).
If you have warded top lane, Rumble can clear the next minion wave to destroy the tower(if you have a canon minion on your side/jungler is on another lane).
You can gank very well if your ultimate is up with its great range /damage and slow to support other lanes.
Ward the enemies jungle(at blue/frog) to get easy kills and support your whole team through that.

The Rumble spotlight is very very old but still shows the key aspects of rumble. Play Video

Another video, which shows how to place a good ultimate.
Play Video

Just spam them(you don't need a target) at the base or if you was overheated (if there aren't minions or players otherwhise you can use your skills for harras or farming) to get in dangerzone and profit from the extra speed from your Scrap Shield.Positiv thing is that you already are in dangerzone if you arrive at your destination. You keep your heat at a fix point by just using Scrap Shield for the speed buff but sometimes you need to use another skill to be at 50 heat or above.

You won't have any risk about harras with this skill. With 850 range you outrange most of the other champions. But you won't have your Electro-Harpoon for farm either and in most cases the enemy hides behind his minions.

You need to get close to the enemy at least 600 range and risk to take heavy damage. If you follow don't exaggerate(care for ganks) and care if you loos your protection of minions and he gains(or still have).You will push the lane by using Flamespitter if there are oppenent's minions. So avoid hitting minions while harass, otherwhise you will push to his tower very fast, without getting a lot of farm.

If any champion is charging to you, try to hit your Electro-Harpoon. The heavy slow gives you the possiblity to trade back, while Scrap Shield grants you the speed boost to be faster again after turning but make it only if you aren't in danger(low life).

First, if you want to hunt somebody look at your heat. It should be at least by 30 heat (not less), while you have all basic skills ready and not to high.
If somebody is out of range and is running away you often can get close by just using your Scrap Shield. Make sure to be closer to your enemy before you should shoot an Electro-Harpoon, because otherwhise the rocket won't be fast enough and then the standart harras. The Equalizer is as I already mention a possibility, too.

If you are at 60 or 80 heat it might be a wise choice to wait for some seconds to decrease the heat by 5(or more) so you can overheat with 2/3 spells instead.

The advantage of overheating is that if your skills are on cooldown, you still deal massive melee damage.

But if you overheat you can first use 6 seconds no skills, are back to 0 heat, so to be back in dangerzone you will have to activate once all skills, and wait for their cooldown again. That means you get your full power (all basic skills) within 6 seconds + 10 seconds cooldown from Electro-Harpoon.

With this combination you can almost kill every other champion on top lane(diving~is possible but in most cases to dangerous) or you will use it in teamfights. But care!! Even if your are fed and feels like you can kill everything..rumble is still small and 1 vs 5 isn't a good idea, even when you did already 6 impossible things today. You should go in if you 1. have help and 2. you can safty activate Zhonya's Hourglass if you engage.

Your standart farming is at the beginning with your Electro-Harpoon on difficult lanes, it is save and you don't risk to take any damage. You will use it as 2 "additional auto attacks". Well an auto attack does 55 damage, an Electro-Harpoon does at level 1 only 45 damage + around 9-10 extra damage from your ap, so almost the same. So if you can last hit with his auto attacks, you will make it with his Electro-Harpoons, too(there is only a bit delay).
A combination between auto attacks and Electro-Harpoon grants you an effective use of Electro-Harpoon. If a minions is half life, you can reduce its life by an auto attack or Electro-Harpoon then you have a 3 seconds time to reduce the life of another to get the minions with Electro-Harpoon aswell easier.
Later on, your Electro-Harpoon will kill the ranged minions with a bit less then half life, 1/4 of the melee minions and canon minions I would shoot with 1/8 life.

While you overheat you can get a massive amount of extra damage for your auto attacks, which make it very easy to last hit. Your hits make almost the same damage to the minons like the Electro-Harpoon later on deals. So ranged minons with half life, 1/4 of the melee minions and canon minions I would shoot with 1/8 life.

With Flamespitter it is hard to last hit, because it deals over a long time even less then your auto attacks every 0,5 seconds. One way to use it, is to reduce the life of the minions to lasthit them with the possiblities above, but then you will push.
Another use of it, is to save farm, if you have failed to last hit one right. Activate it and maybe you will get the mninion/s but turn around to not push the lane further. If you want to push, you can use Flamespitter and focus only the ranged minions as example, so you secure the lasthits and still pushes forward(the minions you aren't focus can be killed by your Electro-Harpoon).
If you attack a tower you can take a diagonal position to the tower to hit the most minions with Flamespitter and last hit them with Electro-Harpoon.
If you get some kills and if you are in dangerzone a combination of all kinds to farm can kill a wave of minions pretty fast.

There are a few situations to use The Equalizer for farming. Like if you stay at at the enemies tower to kill the next wave of minions.
Before recalling to clear a minions wave. If a mass of minions pushing against your tower, to save him(get the lasthits). If you initiate a battle to clear a minion wave to get the gold and free space for your skillshots or the ones in the your team. While the enemies or a single enemy at your toplane + minions rushing a tower to maybe initiate a teamfight, get the minions, save the tower and forcing them/him to wait for a new minion wave.

The first three levels you should be focussing on lasthitting with auto attacks and your Electro-Harpoon and try not to fight against the enemy, since your damage output is very low at these levels. As mentioned in farming Flamespitter, makes it harder to last hit, make 0 damage to the enemy at level 1and pushing your lane increase the chance that the enemy jungler ganks higher. Lasthitting in this time won't be easy, but you should improve rather fast if you've played some games with him.

At level 2 you have the possiblity to go in dangerzone it can be an advantage but in this time I would wait till you reach at least level 3.

When you reach level 4 you got your Flamespitter on level 2, which almost doubles the damage output. At this point you got very stong through your Flamespitter and the 50% extra damage from your dangerzone.
Which means you can start to play more aggresive. If there is a minion wave that consists of ~ 5 or more minions, focus on farming and do not try to exhange. When this isn't the case, try to poke the enemy with your Electro-Harpoon and if you hit your enemy, try to harras with Flamespitter, while you get a speed boost and a shield with your Scrap Shield. Stay in dangerzone. At some point the enemy won't get any farm(stay at tower(freeze the lane!)) or die(then outzone him) and be sure to ward(care for enemies jungler).

Now you reached level 6 and you get The Equalizer. If your ult is ready you can play more aggressive. With your ultimate and Ignite you can even towerdive, if the enemy used his escape(very risky). Aim the equalizer away from you when you are enemy tries to run away, so he gets slowed and receives damage from your ultimate. You can also kill someone who has low life far away (enemies jungle), since the range of the ultimate is extremely large.

To use smartcast can be bad for your aiming, keep that in mind.

Darius is one of the strongest top laners against Rumble and needs an even more specific look. He is tanky and do a lot of damage. He has a high armor penetration value from his skills(25%), which make additionaly a dot on you ,that makes him 5% faster , gives extra damage and his ult can make 100% extra high absolute damage.
Well, I would take Teleport, and go for a lot of life against darius while armor is less effective against him. Take Cloth Armor + 5X Health Potion (because at early levels his armor penetration is low) or Ruby Crystal and 2x Health Potion. The life of
Haunting Guise , Rylai's Crystal Scepter or Randuin's Omen can be usefull agains Darius.

Hemorrhage:don't let this passive stack, you can get up to 5 stacks(if he auto attack or using skills(escept Apprehend)), dealing per stack 12/15/18/21/24/27/30/33/36 + 0,3 of bonus attack damage for 5 seconds, and he gains per stack 5 % movement speed aswell which make it easyer to catch you with Apprehend. So take a 5 second break if you got one.
Decimate: It deals aoe-damage and aplies a Hemorrhage stack on each enemy hitted. It does 50% extra damage when you are between 270-425 range away from him.
So if you are near(after Apprehend) it won't make that much damage. It could be clever to not just run away after getting pulled and deal some damage back. It has 9/8/7/6/5 seconds cooldown.
Crippling Strike: It will slow you and your attack speed(not very important for Rumble)by 20/25/30/35/40% for 2 seconds and deals additional damage, giving a stack of Hemorrhage too and its cooldown get reduced for every Hemorrhage stack the enemy has by 1 second, that means a 8 seconds cooldown skill becomes a 3 seconds cooldown skill, so keep distance and watch out your stacks of Hemorrhage.
Apprehend: this is the skill that darius actually makes so difficult, he doesn't need any skill to use his combo with it(only hitting between skills). With his high range (550) he has almost as much as your Flamespitter has (600), and that will be skilled with only 50 range differents to harras him with your main damage skill. But as lucky as you are you have still Electro-Harpoon to conter with a range of 850. Well if your good think on maxing Flamespitter to harras, if not take Electro-Harpoon for safty harras or farm. I realy dont know whats best have to try more things. Apprehend has a high cooldown from 24/21/18/15 seconds. This time will be your rumble time.
Noxian Guillotine: It deals per Hemorrhage 20% extra absolute damage(5 Hemorrhage stacks mean 100% more damage!!!) and he has a pretty good range with 475 for this finnisher. He can use this ult within 20 seconds again if he kills somebody with it, otherwhise it has 120/100/80 seconds cooldown.

True Damage: 160 / 250 / 340 (+ 75% bonus AD)
Max True Damage: 320 / 500 / 680 (+ 150% bonus AD)

It deals absolute damage and if you know that he uses it like smite don't get smited!!! and recall if your are low life.

Keep distance if he skills Apprehend first, it will be harder for you to farm and you don't want to take the damage from Decimate either, so it will get a hard lane. Keep everytime a good distance(a bit more far then your Flamespitter can shoot) if he miss a pull(a huge mistake look at ability sequence! 24 seconds cooldown, count!^^) harass/engage(keep the 50% extra damage from Decimate in mind)!! He will push in most cases and don't has an escape, which makes you happy, when your jungler comes or if you get him lower to finnish with The Equalizer.
You can block some of the damage of his passive Hemorrhage with your Scrap Shield and if you mangage to harras with Flamespitter you can use Scrap Shield to keep disntce. It maybe good to hit Darius twice, if he has his pull ready before harrasing with your Flamespitter.

She will be a hard lane for Rumble. I would take Doran's Shield and the Health Potion, Teleport or Ignite, Zhonya's Hourglass is as always very important, but against her you can use it to stop Blade Waltz.

Duelist:Fiora regenerates Health 7+(level) over 6 seconds each time she deals physical damage. Striking champions will cause this effect to stack up to 4 times. It will grant stacks by Lunge or using Blade Waltz too. Well against this passive Rumble can't do that much, except zoning and this will probably very hard against a Fiora. So just keep in mind that she has more sustain while fighting and can easily tank little harras.
Lunge: Fiora lunges at her target dealing physical damage. She can then use this skill again within 4 seconds at no cost. This skill is her gap closer and means of escape at the same time. The range is the same like your Flamespitter 600. That means, if you try to harass with Flamespitter she has the possibility to go in (maybe short after your Flamespitter), but in most cases, she will activate Burst of Speed before using Lunge, or between the second use of Lunge, that can give you a little advatnage. THe cooldown is 16/14/12/10/8 seconds cooldown.
Riposte:passively gives +15 attack damage +5 every time the skill is leveled up. Fiora parries the next basic attack and reflects magic damage back to the attacker. Works on monsters, champions, and large minions. Rumble has no problems with this skill, it will affect Rumble only while overheating.
Burst of Speed: Fiora gains for 3 seconds additional attack speed(60-120%!). Each basic attack or Lunge, she lands during this time increases her movement speed(7-15%). This stacks up to three times. Killing a champion fully refreshes the cooldown while assists reduce the cooldown by half. Try the keep distance while active. It has an higher cooldown with 15/14/13/12/11 seconds, that means that even when Lunge has later 8 seconds cooldown, in most cases it is better for her to wait till Burst of Speed is ready again.
Blade Waltz: Fiora dashes around the battlefield, becoming untargetable in the process, and striking random enemy champions 5 times, aound her target. Each strike applies on-hit effects. In this time you won't have to possibility to trade back, so dont be at low life. After the skill duration, she will appear at the target. So try to get to your tower. If you want to use The Equalizer ,think that she can counter it with her ultimate, if you get in range of 400, so keep distance if she already used Lunge, while harassing. The cooldown is much higher then your ultimate with 130/120/110, so you have a safty time to be more aggressive.
it is the general ability sequence, Fiora's could skill instead of Riposte in the other skills first.

In the first 1-3 levels you will loos a lot of farm against her. It is not your favourite lane, but as long Fiora didnt got kills you can manage to handle her in the following game phases. Just farm safty. I would never go alone versus a Fiora late game. As always, safty harass her with Electro-Harpoon first, before going to risky harass. Risky harass( Flamespitter) means that you are in range for her Lunge, so only do that if you have more life, or she already used(minions). In most cases she will push, so ask for help from your jungler or mid lane.

Against Tryndamere I would buy Doran's Shield and a Health Potion followed by ninja tabis, take Ignite to kill him after his ult.

Battle Fury:This passive gives him 0.35% crit chance for every point of fury Tryndamere has. That means at full fury (100/100) he will have 35% bonus crit chance. This helps him to farm and with trades against you. He gain 5 fury per hit and 10 for killing a unit and for critical strikes. After 8 seconds out of combat he looses 5 fury each second. That means if he had to recall or you outzone him he wont have fury. He will use all of his Fury to heal himself, which makes him less dangerous, so be more aggressive.
Bloodlust: This ability gives him passive damage boost from 5-25 damage, increased by 0,15-0,35 damage for each percent of health he is missing. The active is Tryndamere consumes his fury(most times 100) and heals for 30/40/50/60/70 plus 0,5/0,95/1,4/1,85/2.3 per fury point. At rank 5 with full fury he should be healing roughly 320 health with Bloodlust. It has 12 seconds cooldown.
Mocking Shout: Mocking Shout is very important for Tryndamere when he needs to chase after you, because if you stay with your back to him, he will slow you by 30/37,5/45/52,5/60% for 4 seconds. He lowers your attack damage too, which only affect you when overheated. He can us the slow on you and then he could use Spinning Slash to be close and attack you or he changes the order but then he has no escape if you reengage with your ultimate, or he tries to run to you, but you have your Scrap Shield to get away and the Electro-Harpoon to slow. It has 400 range. This skill has 14 seconds cool down.
Spinning Slash:it is an extremely important skill for Tryndamere, because it is his gap closer and can also act like a mini flash with very low cooldown. The cooldown is 13/12/11/10/9 seconds and reduced by 2 seconds every time he makes a critical strike. Thats why he has almsot everytime an escape ready. The range of this skill is higher then your Flamespitter can reach with 660, so care for a reengage from tryndamore while risky harassing.
Undying Rage: fill his fury to 50/75/100 and makes him for 5 seconds unkillable. If his ultimate runs out he will heals himself. So click on him and see when the buff will expire and use Ignite or if you didnt already used your ultimate you can snipe him away. But his ult has an highr cooldown then you with 110/100/90 seconds. So you can be more aggressive in this time.

In the first levels he is much stronger then you, so farm safty and keep your distance, slow him if he spins to you. If you reach lvl 4 you can harras and outzone him. Above level 6 it will be annyoing with his ult, but you play like before. In late game he can be very dangerous for your team so slow him as much as possible.

Go for Ruby Crystal and 2x Health Potion or Amplifying Tome and Health Potion, Ignite, maybe some flat magic resist glyphes for his ultimate, speed runes but these extra runes aren't necessary.

Perseverance: it gives 0.4/0.8/2% per second regeneration of his maximum health if he doesn't take any damage for 9/6/4 seconds, minions excluded. This means, if you not poking him, or if he stays under tower, he will regenerate his health almost as if he has a health potion. So try to harass him with Flamespitter or Electro-Harpoon--> outzone him otherwise.
Decisive Strike: This is Garen's primary gap-closer. It gives a 35% speed-boost and makes his next auto-attack deal more damage and silence for 1,5/2,25/3/3,75/4,5 seconds. This skill also resets his autoattack. It will also remove any slow on him!! So if you slow him with Electro-Harpoon he can remove it to get close to you, so keep your second slow ready(late game he will wait for the second Electro-Harpoon too), but he can't remove with this ability the slow of The Equalizer because it refreshes the slow. If he hits, you are silenced and can't trade back.This ability is used for escaping from ganks, from you or for chasing you as well, and it can also hurt towers alot. In many cases, he will use it in conjunction with Flash to "assassinate" a champion. It has only a short cooldown with 8 seconds.
Courage: This ability is a good defensive skill. It gives passive bonus Armor and MR. It will reduce all incoming CC Electro-Harpoon/ The Equalizer by 30 % for 2/3/4/5/6 seconds and damage by 30%. He activate this ability any time he goes to trade with you, but he has a high cooldown with 24/23/22/21/20 seconds, so after he used it you can think on placing a good ultimate.
Judgment: This ability does AOE Damage-per-second to all champions caught within 330 range, and lets him move through units for the next 3 seconds, but slows him if he do so by 20%. The low range of this skill makes it easy for you to harass. This skill can also critically strike and can farm entire waves, which let him push like your Flamespitter, but he can't activate Demacian Justice and Decisive Strike whithin the time, except he deactivate it. That means if you hit an Electro-Harpoon he won't damage you, because he cant remove the slow but can still reduce it through Courage, but then he has no escape against your ultimate. If he pushes you can ensure to kill with help of your jungler. It has a low cooldown with 13/12/11/10/9 seconds.
Demacian Justice: This skill is good at all stages of the game, simply because it also scales of enemy missing HP(1 extra damge for every 3,5/3,2,5 damage). He generally wants to activate this skill, when you have 1/3rd of your life or lower, to ensure the kill. It does magic damage. So you will profit from a bit extra magic resistance. If he used this skill he has one of the highest cooldowns in early game (160/120/80 seconds).This ability has a very short channel time, but is not interruptable. If he cast this skill, then it makes no sense to flash awaym the ultimate will still hit you despite of the distance.
Against Rumble he could change the standart sequence, to max Judgment first because he won't come that often close to you. Instead he could max Decisive Strike first.

In the first 2-3 level, he can outrade you with Decisive Strike, which counters a bit your Electro-Harpoon. It will hurt a bit but won't be a big problem. When you reach level 4 it gets easy for you. Kite him care for his slow remove. Ealry Boots can be helpful, even to upgrade them first ,to kite him easier. With level 6 you need to careabout your life. In late game you can still kite him but depends on his stats, 1vs1 can be hard.

Akali is in the early game very squishy. Take Ignite and the aggressive start items,( Amplifying Tome and 1x Health Potion). Take 9x flat magic resist glyphes against this lane, because she has a bad early game phase and high burst potential late game.
Banshee's Veil is a very good item against her burst after she reaches lvl 6.

Her skills are:
Twin Disciplines: grants her sustain in lane and additional damage.
Mark of the Assassin: this is her main poke, short cooldown with 6/5.5/5/4,5/4 seconds. It marks the enemy for additional damage. Range is 600.
Twilight Shroud: makes her invisible(as long she doesn't attack),slows enemies, and grants a speed buff for her. High cooldown with 20 seconds.
Crescent Slash: makes AOE-Damage, acivates the mark. Cooldown is low with 7/6/5/4/3 secinds. AOE-Range is 325.
Shadow Dance:teleport Akali to the enemy and makes damage.one up to 3 stacks to use every 30/22,5/15 seconds or one by a kill or assist. Range is 800.

So how to play?
Mark of the Assassin has almost the same cooldown like your Scrap Shield, and your scrap shield will block the whole damage for the next 2-3 level of this skill. The cooldown is still lower then the cooldown of your shield, take a bit more distance(maybe with using your Electro-Harpoon), but this poke wont hurt you as long she doesn't go in to activate her mark, which would result in a good trade for Rumble because of Flamespitter/ Electro-Harpoon, at least in the levels 1-6.

Some Akali use Twilight Shroud for a safty farm while hiding. Which doesn't work cause of Rumbles harras with Flamespitter, which is like the Scrap Shield a pretty good counter for Akali.
Then some uses it to slow you or to be faster(as escape), well if she is low life you can still Flamespitter her, and your slow from Electro-Harpoon is hundret times stronger then her slow. This skill first uses alot of energy which is negative for bursting and secondly has a high cooldown with 20 seconds and can be easily countered with a Vision Ward you should buy against an Akali.
With Crescent Slash you just need to care that she has increased range to use the mark and it pushes the lane.
From level 6 and above the whole fight will change.
With Shadow Dance she can escape from The Equalizer, so care about her active stacks,are your minons far away and maybe y can place your ult above everything. Your range with Electro-Harpoon is higher then the range of Shadow Dance if she wants to initiate y can kite her with open space.
If she wants to go in- wait till there are minions between you and her for the best deal, but if you, the minons and her are all near she can#t escape with her Shadow Dance, after teleporting to you, try to use The Equalizer over all your minions and her, so she is slowed, keep distance and don't go out of your ultimate, she is squishy so kill her in this time, even you dont have a Vision Ward, you zoned already her hide area with your ultimate, so y just fill the rest of her Twilight Shroud with your Flamespitter.
If he goes in with less then 3 stacks it wont be that difficult to outrade her.
So keep an eye on her stacks and a low energy level(especially after she used Twilight Shroud or farmed before only with skills).
Warn your teammates if she is missing.

For Azir I would take Ignite, 9X magic resistance glyphes, instead of armor, flat life seals, ap essence, start with the ap start( Ruby Crystal and 2x Health Potion).
Abyssal Mask will be a good choice.

his skills:
Shurima's Legacy, grants him bunos attack speed for cooldown reduction and a sand tower(180 seconds cooldown)
Conquering Sands his sand soldiers rushes in a direction, deals dmg and slows. Range is 800. Every 10/9/8/7/6 seconds.
Arise! summons a sand soldier for 9 seconds, can stack 2 soldiers and refreshes every 12/11/10/9/8 seconds. Range is 450.
Shifting Sands Azir dashes to a sand soldier, if there is an enemy champion, he knocks him up and he gets a shield. The cooldown is 19/18/17/16/15.
Emperor's Divide creates a wall that deals damage, party members can walk through it and get a speed buff but enemies can't for 5/6/7 econds with a cooldown from 140/120/100 seconds and a range of 250.

So how to play?
Azir is very sqishy but as long he has his sand soldiers his dammage output is quiet good. With his sand soldiers he has a very good poke aswell and he stands far behind. At the beginning in the first levels you need to play passive, farm with Electro-Harpoon and don't trade till level 4. Azir will push the lane with Arise!, so ask for help from the jungler. If you want to harras I would look on his soldier stacks. If Azir doesn't have any stacks ready, because he used Conquering Sands or got otherwhise outrange his sand soldiers
you can think to go in and fight against him. Electro-Harpoons range is higher(50) then his range try to harras before going all in (care about your farm). He cant escape without his soldiers through Shifting Sands, so if he cant kill you Azir will use
Emperor's Divide to try to get away. If you want to escape from a fight it will be hard because he has a good ranged slow Conquering Sands.
The cooldown from Emperor's Divide is much higher then yours and his escape Shifting Sands has a high cooldown aswell and his mana pool will be a problem for him, so keep in mind if he uses these skills or his mana is low and try to play more aggressive.

For Cho'Gath I would take the ap start with ( Ruby Crystal and 2x Health Potion) or start with Boots and 4x Health Potion, he is tanky enough and doesn't deal the damage for outrading you, but his sustain is higher.
Take Ignite, and a bit more magic resist runes, depends on how many ap champions the enemy has.

Carnivore: gives him life and mana for each time he kills a minion, it grants him more sustain then you have. Like against the most other toplaner you can deal a lot of damage to him with your Flamespitter at levels 3-4. Against him I usualy play more aggressive, so that he needs to recall(to risky(/low life) for him to profite from his passive).
Rupture: this aoe-knockup(for 1 second)/slows(by 60% for 1,5 seconds) skill has a greater range then your Electro-Harpoon(950-->850) but the delay of 0,5 seconds should be enough to avoid it, and you have your Scrap Shield to move fster or it gives you a shield. This skill is like your Electro-Harpoon, if it hits you, you will get a lot of damage. Rupture makes gamks more dangerous. It can push the lane. 9 seconds cooldown.
Feral Scream: it is a aoe-silence you for 1,5/1,75/2/2,25/2,5 seconds, but this wont be that big deal against you, and it can push the lane. 13 seconds cooldown. Feral Scream has 100 range more then your Flamespitter.
Vorpal Spikes: can be activated or not: will deal every minion damage in front of Cho'Gath.Range is only 500(600 for Flamespitter), and damge can be absorbed by a Scrap Shield.
Feast: he deals a high amount of absolute damage(life is a good choice), don't have low life. If he kills something with Feast he gain one of 6 stacks, gets bigger, more range and more life. If he eats a monster the cooldown is reduced from 80 seconds to 40. If he already used Feast you can act more aggressive. The range of this skill is low with 175, normaly he can only use it if his Rupture hits you or of you go in with overheating auto attacks.

If he pushes with his aoe-skills you can push back a bit to not loos minions at your tower. You don't need to help him, so don't stay between your minions except you want him to push.

He is easy, avoid his infected cleavers(4 sec cd) with minions , take boots and pots
, ignite, armor keep disntace but y can farm normaly woth 'e' and auto hits
max flame splitter

1. as always dont stay near him cause of his 'w'(4 sec) and 'e'masochism (7sec)
2. dont push
3. with lvl 6 y can kill him with ignite(still never all in keeep a bit distance)

buy amplifying tome,pots, and take mres with y, ignite, max flamesplitter

1. blook harras(spider 12 sec cd/ poison 6 sec cd) with shield
2. wait till she has low mana/life through poke
3. avoid her stun(14-10 sec cd)
4. aware of enemy ganks
5. dont be at low life

1.take amplifying tome, pots go for ignite, and dmg, y can farm, still avoid getting hit by his auto attacks
2.y can block the dmg of his shot(cd 5 sec) with your shield
3. his heal has high cd(22-18 sec)
4. is extra speed buff has aswell high cd(25 sec)
5. so wait for his skills and try to hunt him down with your ult
6. dont get low life
7.aware of junglers
8.dont push

go on dmg, ignite, max flamesplitter and after hit 'e' overun him, care his passive stack, make him to use his hop(18-12 sec cd) and ult him down, no difficulty at all

For Renekton I prefer to take cloth armor and 5 pots, he is not an easy lane but y can make it,start with 'E' but max later on Flamesplitter first

1.if he pushes a lot, it can be an oppertunity for your jungler(y can make it without help)
2. level 3-6 is a good time cause y can outrade him but while he has his ult(extra life/dmg 120 sec cd) its dangerous for y even with your ult
3.take care for his passive stacks, it will be a back and forward with him cause if he dashes behind y (18-14 sec cd) then stun(13-9 sec cd) while flamesplitter is active, alot of dmg will be lost
4. try to not get near cause he can heal a greater amount if he uses his aoe on y
5.if he used his dash y can see a oppertunity to go in, he will ult and go all in, if its easy to get away just do it and wait till his ult expire, y can even use your ult to get away and see what happens, he can follow y and stun(no dash) but is still slowed and get a lot of dmg (your ult still got lower cd)
6. after stun y can use your shield to get away and or 'e' him
7. its not like y cant outtrade him with your ult while he has his ult(or not) but
y need to think on dashes cd quiet high, and your distance to him

This lane works fine(but there many diffrenet skill levels), y can go for boots and pots,ignite, 'e' first skill , 'q', 'w' and max flamesplitter

1. hide behind the minions(keep some distance to the minions next to lee cause he will aoe dmg y if your near)
2.he makes his main dmg if he hits y with his teleporting ball/q/sonic wave^^(11-7 sec cd) through 1. y can prevent it otherwhise use 'w' to get less dmg, in most cases he use his escape (9 sec cd) to dont get dmg from y, if not take your chance to trade(keep distance), if so y can think on following to him with your ult
3. keep in mind that he has massive dmg if he can hit y with his q, so dont go all in (at least in low lvl) if no minions block his q
4.keep in mind that he can escape easily from your ult when he has his escape ready
5. care for enemies jungler

Dont know...buy cloth armor and pots, even if dont know that good the isolation mechanic of him y can deal pretty good with him , like evrytime first'e' 'q' 'w' and then max 'Q', take ignite

1. hide behind minions(still keep a bit distance to the minons too) to avoid his spikes(10 sec cd)
2. his escape/jump/charge with 22-14 sec cd has a pretty high cd about
3. just dont get near him his qs makes alot of dmg , so keep distance!!
4. if he jumps on y , he doesnt have an escape 'E' him and punnish him for that
5. he may hide but y may have a pink ward at least he get slowed by ult or 'E' or your flamesplitter finnishs him
6.care for enemies jungler

yeah take cloth armor+pots , y can first skill flamesplitter but well to start with 'e' isnt bad aswell, ignite, max flamesplitter, he isnt that stong enemy care for his revive--> has a long cd(4 mins) after the first kill y are maybe a bit low he can trade with y then maybe..

1.his escape/engage has 16-12 sec cd so pretty high like by others if he engage 'E'('W') 'Q' and get some distance + dmg
2.his slow(12-8 sec cd) can be dodged with your 'W'
3.he will use his ult(100/85/70 sec cd) on y after engaged, but as alwayd y can make your ult(he has no escape) + 'E' him and get away or even better kill him
4. the greatest problem could be the jungler cause aatrox got a lot of cc

Riven isnt that big deal for y, go for cloth armor and pots, ignite, start with 'E' like always('q' is possible)

1.her jumps has 13 sec cd(3times each 4 sec duration time) and the 3th jump knock ups, but she wont be that big deal cause y can play the first levels up to 3-4 passive, if she jumps on y like in all other lanes y can 'e' her ult her or go with your 'w' away
2. before y ult her make sure she used already her shield(10-6 sec cd) and her jumps at least y should hit her first with your 'E'
3.many rivens rty to jumps on y , and aoe-stun(11-7 sec cd) y and slide away
if so y made something wrong just keep in your distance to her
4. her ult makes extra dmg and a wave that make extra dmg if its hit low life payers--> so dont be low life,and wait till the buff is gone

She is quiet easy, take dorans shield-->boots/seeker armguard, safe farm with your 'e' and when y reach lvl 3-4 y can overrun her, dont let her stack her passive to 3, outzone her after killing her ones

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