FusionDex

Nidodoom regularly clash to determine who the leader of the pack shall be, typically locking horns until one breaks even a little. To defend themselves, they can spew a burning, corrosive substance from their mouth.

In a Nidodoom pack, the one with its horns raked sharply back serves a leadership role. A Nidodoom's thick tail packs enormously destructive power capable of toppling a metal transmission tower.