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Magtrum was a terrorizing bully of the ancient world. It would breathe flames to send smaller Pokémon scurrying off in fear, then leap into magma where few could follow in order to avoid retribution.

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. In battle, it blows out intense flames from all over its body to intimidate its foe.