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After spotting its prey, Fennetrum unleashes a blood-curdling roar before lunging in to bite with its molten-hot fangs. Its scorching bite is said to be strong enough to melt iron.

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. As it walks, it munches on a twig in place of a snack.