Shelgon

Within its rugged shell, its cells have begun changing. The shell peels off the instant it evolves.

It surrounds its body in an iron-hard shell to accumulate enough power to evolve.

The cells within its shell transform with explosive speed, preparing it for evolution.

They lurk deep within caves—motionless, neither eating nor drinking. Why they don’t die is not known.

The cells within its body are changing at a bewildering pace. Its hard shell is made from the same substance as bone.

Shelgon lives deep within caves. It stays shut up in its hard shell, dreaming of the day it will be able to fly.

This Pokémon has covered its body in a hard shell that has the same composition as bone. Shelgon stores energy for evolution.

Shelgon ignores its hunger entirely, never eating any food. Apparently, Shelgon will evolve once all its energy stores are used up.