Slugma is a Fire-type Pokémon. This Pokémon is commonly seen in volcanic areas. It must keep moving, otherwise its magma body may cool and harden, then becomes brittle and chunks fall off. In order to avoid that, it needs to sleep near magma. A slightly deep voice that makes it sound oblivious.

Magcargo is a Fire/Rock-type, and evolves from Slugma. The shell on its back is just hardened skin that has been a result of cooling. It breaks easily when touched. The brittle shell will occasionally spout intense flames that circulates through its body. The voice will be similar to Slugma, but much deeper.