Tier 2 (Hero Level 4)
Deal 16 (+4% per level) damage per second to nearby enemies. Basic Attacks against enemy Heroes increase this damage by 20% for 3 seconds. This can stack up to 3 times.
Patch changes
(Patch April 25, 2017) Note: Moved to level 4; Damage reduced from 18 to 16 per second.
(Patch July 12, 2016) Note: Deal 18 damage per second to nearby enemies. Auto-attacking an enemy Hero increases this damage by 20% for 3 seconds. This effect stacks up to 3 times.