Passive - Black Rock Shooter gains 8%/11%/14%/17%/20% bonus Attack Speed.Black Rock Shooter cannot gain a stack from an allied hero that killed by the turret. Each stack of Bonded Heart increases Black Rock Shooter's Critical Chance by 2%. Whenever she level ups, increases the level of Blue Feather, or a nearby allied hero dies (not including herself), she gains a stack of Bonded Heart, up to a maximum of 7 stacks. Passive - Black Rock Shooter gains 5 Health Regeneration per 5 seconds for each allied hero within 900 range.