Whenever Cho'Gath kills an enemy unit, it recovers health and mana. The effect is doubled if the enemy is a champion, turret, or epic monster.
1
RUPTURE
Cho’Gath ruptures the ground at target location, knocking enemy units into the air, dealing damage and slowing them.
2
FERAL SCREAM
Cho'Gath unleashes a terrible scream at enemies in a cone, dealing magic damage and Silencing enemies for a few seconds.
3
VORPAL SPIKES
Cho'Gath's attacks release deadly spikes, dealing damage and slowing all enemy units in front of it.
Ult
FEAST
Cho’Gath devours an enemy unit, dealing a high amount of true damage. If the target is killed, Cho'Gath grows in size, gaining maximum health. This effect stacks with each enemy devoured.
Ability descriptions from the official Wild Rift website.
This page is for League of Legends: Wild Rift (the mobile game), not League of Legends on PC. A Japanese version with guides and matchup notes is available: 日本語版.