Diablo 3 RoS: patch 2.3.0: Chantodo's Resolve (new set bonus)
Wizard's set: Chantodo's Resolve was redesigned in patch 2.3.0:
(2) Set Bonus
Every second while in Archon form you expel a Wave of Destruction, dealing 350% weapon damage to enemies within 30 yards
Every time you hit with an attack while not in Archon form, 350% weapon damage is added to the Wave of Destruction, stacking up to 20 times