Cosmovum

Sun: Motionless as if dead, its body is faintly warm to the touch. In the distant past, it was called the cocoon of the stars.

Moon: There’s something accumulating around the black core within its hard shell. People think this Pokémon may come from another world.

Ultra Sun: The king who ruled Alola in times of antiquity called it the “cocoon of the stars” and built an altar to worship it.

Ultra Moon: As it absorbs light, Cosmoem continues to grow. Its golden shell is surprisingly solid.

Sword: The absorption of starlight fuels this Pokémon’s growth. The shell that encases it is harder than any known material.

Shield: It sucks in dust from the air at an astounding rate, frantically building up energy within its core as preparation for evolution.