Scatha

 is a worm creature within the Crystal Hollows that can drop the Scatha Pet. Scatha's 1st stage in-game name is only Worm, and the Scatha Pet Head is one of the part of this mob. The Scatha Worm will make a Unique Sound when it appears. The Length of Scatha 1st stage will increase depends on their health, they lose more length every time you hit it. Every hit you deal will count 1 to their health.