IntroductionCho'gath is a very sustainable laner, like Nidalee or Vlad. Farming should not be a problem for Cho'gath, and since his ultimate gives him a huge chunk of HP, a well farmed Cho should be near impossible to kill.
Being able to enter the fray with complete confidence, be as disruptive as possible with Rupture and Feral Scream is what makes Cho scary, and did I mention nomnom?
Cooldowns, Nimbleness, Movespeed... all critical for Cho.
RunesI choose a full defensive setup, because you do True damage, Dodge on quints since Cho already gets a lot of HP from his ultimate, making other defensive stats more attractive.
Ignite to land kills with Rupture/Feralscream/nomnom combo.
Flash to make plays and manage situations.
Whenever Cho'Gath kills a unit, he recovers 34 - 68 (+2.5 each level) health and 3.5-7.75 mana (+0.25 each level).
Cho's passive allows him to be unmovable in lane.
Ruptures the ground at target location. After a short delay, enemies are launched into the air for 1 second, dealt 80 / 135 / 190 / 245 / 305 (+100% of ability power) magic damage, and have their movement speed slowed by 60% for 3 seconds.
Cooldown 10 seconds
Cost 80 / 90 / 100 / 110 / 120 mana
Great as a follow-up AoE knockup, good for clearing waves. Don't forget about the slow at the end it's also very nice!
W: Feral Scream
Cho'Gath screams in a cone in front of him, silencing enemies for 2 / 2.5 / 3 / 3.5 / 4 second(s) and causing 75 / 125 / 175 / 225 / 275 (+70% of ability power) magic damage.
Cooldown 16 seconds
Cost 70 / 80 / 90 / 100 / 110 mana
Silence is an amazing CC.
Great for harassing in lane.
Wave clearer, combo'd with Rupture.
E: Vorpal Spikes
Toggle: Cho'gath's physical attacks launch spikes which deal 20 / 35 / 50 / 65 / 80 (+30% of ability power) magic damage to a line in front of him.
Adds decent damage to Cho's auto attacks.
Scales very well with AS (Wit's end)
Deals 300 / 475 / 650 (+70% of ability power) damage to target champion, or 1000 damage to target minion (ignores resists).
If the target is killed by Feast, Cho'Gath grows, gaining 90 / 120 / 150 maximum health (maximum 6 stacks). Cho'Gath loses up to half (rounded up) stacks upon death.
Cooldown 60 seconds
Cost 100 mana
Very strong ultimate, gives Cho needed HP to scale with Frozen Heart(pure armor) and FoN(regen)
Scales with CDR(frozen heart)
True damage is amazing.
Skill OrderR - W - Q - E
W to be able to harass in lane.
Q next for the AoE combo.
Final CommentsRemember that you're a tank, so act like one. Don't be afraid of anything and be a man.