| A Conk on Cranidos's Cranium/VS. Cranidos
A Conk on Cranidos's Cranium/VS. Cranidos (Japanese: VSズガイドス VS. Zugaidos or ヒョウタとクロガネジム Hyouta and the Kurogane Gym) is the 342nd round of the Diamond & Pearl chapter in the Pokémon Adventures manga.
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- Platinum starts training her Piplup.
- Roark battles against Platinum.
- Platinum wins the battle and receives a Coal Badge for defeating Roark.