P Noxious Slipstream
Passive
Effect radius 225
Innate: Whenever Singed moves near a champion, he gains a stack of Noxious Slipstream for 2 seconds, refreshing on subsequent passes and stacking up to 25 times.
Noxious Slipstream: For each stack, Singed gains 25% bonus movement speed, up to a maximum of 625%.
This effect cannot occur on the same target more than once every few seconds.