SHEDINJA’s hard body doesn’t move - not even a twitch. In fact, its body appears to be merely a hollow shell. It is believed that this POKéMON will steal the spirit of anyone peering into its hollow body from its back.
SHEDINJA is a peculiar POKéMON. It seems to appear unsought in a POKé BALL after a NINCADA evolves. This bizarre POKéMON is entirely immobile - it doesn’t even breathe.
A peculiar POKéMON that floats in air even though its wings remain completely still. The inside of its body is hollow and utterly dark.
A most peculiar POKéMON that somehow appears in a POKé BALL when a NINCADA evolves.
A discarded bug shell that came to life. Peering into the crack on its back is said to steal one’s spirit.
— Pokédex entries (via PokeAPI)