Stirling City Stories
He is one, but he is many.
He can duplicate himself many times over. He is rumoured to be able to create up to 1000 duplicates of himself, but whether this is true or not (maybe he can create more, maybe less) is unknown.
Legion is the foot soldier of the Sand Warriors. He was supposedly trained by the CIA to fight the soviets back in the 1980s, but the CIA isn’t very forthcoming (and neither is Legion).