Conduit Gem

PASSIVE - Every 0.5 seconds you gain a stack of Arcane Energy, causing your next damaging ability to deal an additional 2 True Damage and remove all stacks. Also deals an additional 1 true damage per stack to minions. This effect stacks up to 20 times. Can be upgraded at level 20.

Spellbook

S9 Divine Ruin

PASSIVE - Enemies hit by your abilities have 40% reduced healing for 5 seconds.

Doom Orb

PASSIVE - Killing or assisting an enemy minion provides you with 1 stack, granting 1% Movement Speed and 4 Magical Power per stack. Stacks last for 15s and stack up to 5 times. Enemy gods provide 5 stacks.