Luke 8:29-31

Young's Literal Translation

²⁹ For he commanded the unclean spirit to come forth from the man, for many times it had caught him, and he was being bound with chains and fetters -- guarded, and breaking asunder the bonds he was driven by the demons to the deserts.

³⁰ And Jesus questioned him, saying, `What is thy name?' and he said, `Legion,' (because many demons were entered into him,)

³¹ and he was calling on him, that he may not command them to go away to the abyss,