Whenever Cho'Gath kills a unit, he recovers 17 + (3 × level) health and 3.25 + (0.25 × level) mana.
Rupture
Range: 950
Cooldown: 9
Cost: 90 mana
Active: After 0.65 seconds, Cho'Gath deals magic damage and knocks up enemies for 1 second in the target 700-diameter area, slowing their movement speed by 60% for a further 3 seconds after landing.
Toggle: Whenever Cho'Gath performs a basic attack, he will launch spikes dealing magic damage to enemies in a line in front of him.
Magic damage: 20 / 35 / 50 / 65 / 80 (+ 30% AP)
Feast
Range: 150
Cooldown: 60
Cost: 100 mana
Active: Target enemy takes true damage. If Feast kills the target, Cho'Gath grows larger and gains extra health and basic attack range, stacking up to six times. Cho'Gath loses half of these stacks, rounded up (Lost stacks being rounded up, thus, kept stacks rounded down), whenever he dies.
Feast deals 1000 (+ 70% AP) true damage to minions and monsters.
1350 or 
585
Feral Scream:
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