What's Our Hero Doing?

Our main character has cleared the extremely difficult 'Banta Black Ring' a thousand times. He woke in the body of ‘ordinary villager A (Hans)’ at Banta Black Ring's tutorial area. The village is being attacked by monsters! when threatened with death, he thought of the Hero, 'Cadiz.' When HE thought that Cadiz would show up and defeat the monster, the hero "Cadiz" died from a single attack? Just when he thought it was all over, he absorbed the hero's abilities?! He just wanted to survive comfortably beside a hero so what's going on?