FusionDex

Deorill concentrate psychic power into the orbs on their tails to lift themselves into the air and drift around curiously. To return to the ground, they release their power and plummet like meteors, landing on their tails to cushion the fall.

Its tail, which is packed with nutrition, is very bouncy like a rubber ball. A Pokémon that mutated from an extraterrestrial virus exposed to a laser beam.