Karthus · Builds

On dying, Karthus remains active for 7 seconds but is unable to move, auto-attack, cast summoner spells, or use active items. He also becomes untargetable and invulnerable for the duration as well and can use abilities at no cost. His E will be toggled on for the entire duration.

Creates a blast at a target location that detonates after a brief delay and deals magic damage to all enemies within. The damage is doubled against single targets.

Creates a passable wall at the target location and grants vision around its pillars. Any enemy who passes through the wall is slowed and loses magic resistance for the same duration.

Passive: Restores mana whenever he kills an enemy.

Toggle: Deals magic damage every 0.25 seconds to all nearby enemies.

Channels for 3 seconds and deals magic damage to all targetable enemy champions upon its completion.