Lu Yi was the last resort for Gu Zhiyao to rush to the depths of hell, and the reason why Gu Zhiyao was constantly in desperate situations. Lu Yi was Gu Zhiyao's greatest weakness, and also Gu Zhiyao's strongest armor.
Gu Zhiyao went to hell for Lu Yi again and again, and watched Lu Yi die in front of his eyes again and again. He was afraid that he would be uneasy, but he still wanted to seize the one in ten thousand chance of saving Lu Yi.
Lu Yi was the knife that killed him, the medicine that saved him, and his treasure.
Meeting Lu Yi was considered bad luck for him, but he was also lucky for the rest of his life.
Concept: Sensual detachment