|Item Type||Grey Quake|
|Kind of Item||Wisp|
|First Appearance||Sonic Lost World|
|Latest Appearance||Sonic Lost World|
|Transforms Sonic into the Grey Quake, allowing him to roll up walls and create shock waves.|
The Grey Wisp (named Quake) is a Wisp that transforms Sonic into an iron ball that can roll up walls and, upon landing after falling, create shock waves that can destroy enemies and obstacles. It first appeared in Sonic Lost World.