Through the restore function, you can restore the pet that was evolved into a special form. Since the process transfers the experience value, restoring a high level pet might actually result in a decrease in the pet's level.
Any items in the pet's inventory will be transferred to the owner's inventory
Which pet would you like to restore?
Restore Great Wolf back to Wolf.
Restore Snow Fenrir back to Fenrir.
Restore Red Wind Strider back to Wind Strider.
Restore Red Star Strider back to Star Strider.
Restore Red Twiling Strider back to Twiling Strider.