Battle Tower (Generation IV)/Pokémon (Group 4)
From Bulbapedia, the community-driven Pokémon encyclopedia.
The following lists the Pokémon that can be used by non-playable characters at Battle Tower in Pokémon Diamond and Pearl. All Pokémon listed are Legendary Pokémon and are occasionally encountered once the player has advanced very far in their streak. Each species listed here is given four possible sets.