Spiritomb

Spiritomb, the Forbidden Pokémon, is a unique Ghost/Dark-type Pokémon introduced in Generation IV. It is famously known for being comprised of 108 spirits, bound together to a single keystone. This unusual origin story is deeply rooted in its Pokédex entries across various games, highlighting its mischievous and sometimes malevolent nature. Spiritomb does not evolve from or into any other Pokémon, making it a standalone entity in the Pokémon world. Its natural habitat is often associated with ancient ruins, caves, or desolate areas where its keystone might have been placed. In the games, it often serves as a formidable opponent due to its unique typing, which initially left it with no weaknesses until the introduction of the Fairy type. Spiritomb's role in the anime is often one of a mysterious and powerful entity, sometimes causing trouble for trainers. Its distinctive design, resembling a swirling mass of spirits with a jagged mouth, contributes to its cultural significance as a symbol of ancient, forbidden power.