Energy Regeneration + Attack Speed + Spell Drain = Malign Jolt
Every (8 / (1 + Attack Speed Value)) seconds your next automatic attack deals additional (1 + Energy Regeneration Value) damage to nearby enemies. Damage dealt through this is drained with (25 + 2 * Spell Drain Value)% Spell Drain.
Energy Regeneration improves the damage. Attack Speed improves the cooldown. Spell Drain increases the Drain Amount.