Mark 5:6

When he saw Jesus. He and his companion may have been on the lower slopes of the hill that dropped off precipitously into the sea, and thus they may have observed the boats approaching.

He ran. Probably with the intention of attacking Jesus and those who accompanied Him, no doubt screaming wildly while coming down the beach.

Worshipped him. By the time the demoniacs came to the place where Jesus stood, the disciples had fled in terror, and the Saviour was alone with the two demon-possessed men (DA 337). Somehow they seemed to perceive dimly that here was a Friend, not a foe (see DA 337, 338), and they prostrated themselves on the ground at Jesus’ feet. His very presence often seemed to impress deeply even His worst enemies (see Matt. 21:12, 13; John 2:15).