The Agony is a LEGENDARY pet that is obtainable from the Haunted Egg. It is the second hardest pet to hatch in the Haunted Egg.
The latest Pet Simulator X value list for Agony can be found below:
💎 20,000 (20k)
💎 67,000 (67k)
💎 300,000 (300k)
💎 No Data