Hell Chest Mimic
The Hell Chest Mimic is an EXCLUSIVE pet that was sold in the Exclusive Shop for a limited time. It was released in the Hell Update. It is a re-skin of the Chest Mimic pet.
The latest Pet Simulator X value list for Hell Chest Mimic can be found below:

Regular
💎 37,000,000,000 (37b)

Golden
💎 Not Available

Rainbow
💎 Not Available

Dark Matter
💎 Not Available