Mark 6:7, 12-13
Mark 6:7 NKJV
And He called the twelve to Himself, and began to send them out two by two, and gave them power over unclean spirits.
Mark 6:12-13 NKJV
So they went out and preached that people should repent. And they cast out many demons, and anointed with oil many who were sick, and healed them.