Horn of Anti Magic

Horn of Anti-magic

The condensed essence of an apex predator of the Null attribute. When given to a pet with any attribute, it will force an evolution.

WARNING: There is a chance of the energy overwhelming the pet, making the evolution have a detrimental effect on the pet.

Use at your own risk and be sure to be ready before using.

Reference
Acquired in Chapter 78 "Loot! Glorious, Nightmarish loot"