Metapod

“This POKéMON is vulnerable to attack while its shell is soft, exposing its weak and tender body.”

— Pokémon Red

“Hardens its shell to protect itself. However, a large impact may cause it to pop out of its shell.”

— Pokémon Yellow

“Inside the shell, it is soft and weak as it pre­ pares to evolve. It stays motion­ less in the shell.”

— Pokémon Gold