Poison the target and the nearest non-poisoned enemy, dealing magic damage over seconds. Poisons stack.
Gather Essence by killing champions, plus more by losing player combat. Beginning at Essence, choose to convert Essence to rewards or continue gathering Essence. Each reward requires increasing amounts of Essence.
Your team gains X% Ability Power. Spellweavers gain more, plus extra Ability Power whenever a Spellweaver casts an Ability.