Mark 5:9
Then Jesus said: What is your name? He answered: My name is Legion because there are a great number of us.
Matthew 26:53
Do you think I cannot ask my Father for help? He would send me more than twelve legions of angels.
Luke 8:30
Jesus asked him: What is your name? He answered: Legion for many demons had entered into him.
Matthew 12:45
Then it takes along seven other spirits more evil than itself. They enter in and dwell there. The last state of that man becomes worse than the first. It will also be like this with this evil generation.
Mark 5:15
When they came to Jesus they saw the man who had been demon possessed. He was fully clothed and in full use of his senses. So they were afraid.
Luke 11:21-26
When the fully armed strong man guards his own palace, his goods are safe.