After being in combat for three seconds, the eye on Rift Herald's back will open. Champion basic attacks against the eye deal (12% of Rift Herald's maximum health)bonustrue damage, causing the eye to close for ~3 seconds.
Rift Herald will despawn permanently at 19:45, or 19:55 if in combat, with Baron Nashor spawning in the same position at 20:00.
Rift Herald's minimum level is 6.
Rift Herald's basic attacks deal (4% of target's current health)bonusphysical damage.
While there are no allies nearby, you take 5% damage reduction from enemy champions and generate X / Y Corruption stacks per second. At 100 stacks, your next basic attack consumes all stacks to deal 15 / 270 bonus magic damage. Works versus structures, damage halved for ranged champions.
Lasts for 20 minutes and is retained even if slain.