The Hound of Hades is a LEGENDARY pet that is available from the Hell Egg found in the Fantasy World. The Hell Egg is unlocked from the Hell Island.
The latest Pet Simulator X value list for Hound of Hades can be found below:
💎 20,000 (20k)
💎 67,000 (67k)
💎 330,000 (330k)
💎 1,100,000 (1.1m)