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Threats & Synergies
It's an even matchup most of the game up until level 11. If he lands any amount of ults on you before you actually fight then you're screwed. Don't go for engagements without landing your rockets on him first.
Laning phase is annoying but his low range is the death of him. At 6 you pooper him with a few rocket hits.
I think corki is a pretty big counter to trist. She can't really do anything since she has sustained damage and you have insane burst that she can't live through. Bully her early and you'll wreck her all game.
Your early game vs twitch is super strong but the second he gets BotRK + ghostblade he'll take a dump on you and everyone.
She has strong duel power but can't fight back in lane. Wait for her tumble to shoot your Q. Run at her with gatling gun and you'll out-trade her pretty hard.
You outscale her so hard, I honestly don't think caitlyn is good at all against anyone.
Corki is best when you have a Physical damage mid laner because majority part of Corki's damage ends up being magic it will make up for the magic damage you are missing from your typical AP mid laner.
21/9/0 with Expose Weakness is a must on Corki since you can proc it so easily and it increases your own damage. Spell Weaving and Blade Weaving are better than Frenzy / Warlord because of how easily you can activate them. Frenzy is a very weak mastery when you're buying Trinity Force so I advise against it. The rest is pretty obvious in what's most effective.
Attack damage marks give strong early game stats and are more efficient than other runes.
Armor seals are good because you'll be taking a lot of physical damage from minions and autoattacks early game.
Magic Resist glyphs are used to mitigate harass from their support.
Attack speed quints are really efficient compared to other runes and give you a strong mix of offensive stats when combined with attack damage marks.
|(Passive) Hextech Shrapnel Shells|
(Q) Phosphorus Bomb|
Cooldown: 8 seconds
Cooldown: 26/23/20/17/14 seconds
(E) Gatling Gun|
Cooldown: 16 seconds
(R) Missile Barrage|
Cooldown: 2 seconds
Missile Reload Time: 12/10/8 seconds
There are a few different leveling orders for Corki's abilities in the early game. Leveling up Q at level 1 will always be standard unless you need to take W if you get caught. Level 2 you can take E if you want more damage and trade potential or you can take W to be safe. Typically you should be able to not need W till level 3 to get away from ganks. At level 3 you can take Q again for a really strong level 3 harass but if you took E at level 2 you are delaying your mobility till level 4 which might be dangerous if you do not know where the enemy jungler is. If you took W at level 2 it is much safer to level up Q against at level 3 but your extended trades will be a bit weaker.
Start with Doran's Blade, Health Potion, Stealth Ward
If 1400g+: Phage + 2 Health Potions + 1 Mana Potion
If 1250g-: 2 Long Swords + Ruby Crystal + 2 Health Potions + 1 Mana Potion
If 800g+: Long Sword, Ruby Crystal, 3 Health Potions, 1 Mana Potion
Basically with every back you'll want 2-3 health pots depending on how much harass you're taking and then 1 mana pot every time.
Once you can afford your Phage buy Sheen next and then finish out the Trinity Force. Immediately after the Trinity Force you'll want to buy your Sorcerer's Shoes. It'll give you a lot more mobility and help out your damage rotations. Sorcerer's Shoes is the best choice on Corki because how much damage he does and it will increase his burst and poke with his ability.
Once you have Trinity Force + Sorcerer's Shoes, you'll want to go for Blade of the Ruined King or Infinity Edge. It depends on your gold when you back.
- If you can afford the B. F. Sword, go for Infinity Edge. If you can only afford little parts then go for the Blade of the Ruined King.
- If you went Blade of the Ruined King build Infinity Edge next.
- If you went Infinity Edge build Blade of the Ruined King.
Past this is just whatever you didn't build from this list. Unless you're getting crushed by magic damage in which case if the damage you're taking is cleanse-able then build Mercurial Scimitar. If it's not then buy Banshee's Veil.
Corki has a really strong laning phase if you are able to land his Phosphorus Bomb. The first thing you need to do is to get used to the animation with some practice. Corki works really well with aggressive supports like Leona because he has the high damage burst potential but you don't have to go for the all-in lanes. He always works wonders with poke orientated supports as well. Once Corki hits level 6 he is able to sit back and poke down the enemy laners. Having a Corki makes it very hard for the other team to do Dragon because you will be able to poke them down before the dragon fight begins to give your team the advantage.
Corki's first big power spike is when he finishes his Trinity Force in the mid game. He has insane poke damage which allows him to siege well and poke the enemy team. You never want to be be too aggressive on Corki; your main goal should be poking from the side. Once you land a few nice rockets and force recalls you can safely take objectives. The mid game is Corki's strongest point and you need to take advantage of his power spikes to snowball.
Corki does not scale as well as other champions like Tristana and Kog'Maw but he can still definitely be a huge threat in the late game. His poke only gets stronger. Remember that Corki's damage is mostly magic so you want to have him in an Physical heavy damage team so the enemy team can't build resistance easily. Once the game gets late enough your poke won't be nearly as effective as the enemy team will have enough resistance to tank your poke and that's where champions like Tristana and Kog'Maw outshines Corki.