I am looking for longevity

The scorching sun blazed across the sky and screams came from the clouds. There are giant beasts rampant and there are supernatural powers in the world. The dharma moves across the world and the demon lord reveals his true body! Flying swords magic weapons, magical powers talismans mechanism puppets monsters... Relying on the supernatural sixth sense Xiao Ling possesses the body of an old man in his seventies. However the old man's lifespan is exhausted, his oil is exhausted, and his lamp is exhausted and he still faces threats from the original owner's concubine both openly and secretly. At this time the sixth sense sent a reminder again...