Makes transform Sonic into a cosmic ball that vacuums everything on his path. While he's vacuuming, he grows too.
The 'Violet Wisp (named Void) is a Wisp that made it's first appearance in Sonic Colors. Violet Wisp helps out by turning Sonic into a black hole and makes him suck enemies and rings. The Violet Wisp is very helpful whenever a hoard of enemies is passing by and whenever an enemy is sucked, Sonic grows larger.