Mark 5:9
Jesus asked him, "What is your name?" And he said, "My name is Legion, for we are many."
Matthew 26:53
Or do you think that I cannot call on my Father, and that he would send me more than twelve legions of angels right now?
Luke 8:30
Jesus then asked him, "What is your name?" He said, "Legion," because many demons had entered him.
Matthew 12:45
Then it goes and brings with it seven other spirits more evil than itself, and they go in and live there, so the last state of that person is worse than the first. It will be that way for this evil generation as well!"
Mark 5:15
They came to Jesus and saw the demon-possessed man sitting there, clothed and in his right mind -- the one who had the "Legion" -- and they were afraid.
Luke 11:21-26
When a strong man, fully armed, guards his own palace, his possessions are safe.