They're werewolves; not dogs. I respect your stance, but I also don't really see how that's too much different from other fantastical creatures that's already in the game such as goblins, lizardmen, and orcs. I mean, technically,
all of them are skippable.
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Anyway, these guys will start popping up in Level 4 of the prison. Per their description: Werewolf types are fast, strong, smart, and deadly. They prefer not to mess around and instead quickly get their prey down on the ground first. They ferociously attack with claw slashes, but are very cautious about running into pointy things...