The Obsidian Egg is the 29th egg in Pet Simulator X, purchasable by unlocking the Volcano Zone and costing 22.5m coins.
This egg contains five pets:
- Fire Cat (43%)
- Fire Dog (43%)
- Dragon (13%)
- Fire Horse (0.15%)
- Phoenix (≈0.116%)
- Phoenix was first introduced in Pet Simulator 2 as a VIP Pet.
- Fire Horse was first introduced in Pet Simulator 2 as a drop for Volcano Egg.