Doomsday Long-Haired Swordsman

Slow TS, more fun, golden finger, with a price, the male protagonist is neither a virgin nor a devil, has super powers, is not brainless, and has a small harem. If others have superpowers, I can use my sword with my hands. If it doesn't work, I can use my hands with my sword. He saved his teammates from water and fire, but where did the water and fire come from, and why did most of the food go into Lin Jian's stomach? Lin Jianzi said he didn't know.