FusionDex

Upon first discovery, researchers thought Magtrum was a fossilized skeleton possessed by lava spirits. What appear to be its bones are just parts of its magma body that have hardened into solid, sturdy stone.

Thanks to its gargantuan jaws, which could shred thick metal plates as if they were paper, it was invincible in the ancient world it once inhabited. The shell on its back is made of hardened magma.