Basculegion

Basculegion is a Water/Ghost-type Pokémon known for its powerful and fearsome appearance. It evolves from Basculin when it is possessed by the souls of other Basculin that perished during their journey upstream. Basculegion is characterized by its large, fish-like body, sharp fins, and ghostly aura, which gives it an intimidating presence in the water. It is revered for its strength and endurance, capable of swimming vast distances without tiring.