Toothache is a Brenning isen named for his habit of attacking nightfuries, especially toothless.

He would use his dry ice to make fog blinding his prey, then he would slash and bite them and eventually freeze them and proceed to eat them, yes EAT them.

He also eats terrortooths however as they travel in packs it is necessary for him to eat only those who leave their packs or lag behind.

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