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.
PASSIVE - Every fourth Basic Attack triggers a chain lightning, damaging the target and up to 4 nearby enemies for 15 damage +60% of your total Basic Attack Power.