Mark 5:7-12

and screaming with a loud voice, he said, “What business do we have in common with each other, Jesus, Son of the Most High God? I implore you by God [swear to me], do not torment me!” [Matt 8:29; Luke 4:34] For Jesus had been saying to him, “Come out of the man, you unclean spirit!” He was asking him, “What is your name?” And he replied, “My name is Legion; for we are many.” And he began begging Him repeatedly not to send them out of the region. Now there was a large herd of pigs grazing there on the mountain. And the demons begged Him, saying, “Send us to the pigs so that we may go into them!”