Gray Nulliblos (ヌリブロス亜種, Nuriburosu Ashu) is a Subspecies of Nulliblos.
Gray Nulliblos has a gray, rocky shell protecting its body. The spikes on its body are larger than that of ordinary Nulliblos.
Gray Nulliblos is a more adept flier though is still perfectly capable of burrowing through the sand. They are significantly more aggressive than regular Nulliblos
- Its head, back, and wings can be broken. The tail can be severed.
- When low on stamina it will trip after charging.
- It will feed on cacti.
- Gray Nulliblos's roar requires HG Earplugs to block.