I Don't Know If It's the Demon Lord

Yu Shu passed through a book he had read on cultivating immortals. In this book about cultivating immortals, both the protagonist and the villain had miserable life experiences, were abused and betrayed by others, but the protagonist was redeemed and eventually became a respected immortal. The villain fought his way through the demon world and eventually became the demon lord despised by thousands of people. In the end, the protagonist and the villain have a decisive battle on the top of the Nine Mountains. In the end, the villain is defeated by the protagonist and dies under the sword of the protagonist. If he had come earlier, he might have wanted to redeem the Demon King, but when he came in, the story was already coming to an end. At this time, the villain has become the Demon Lord. He does not trust everyone or all monsters. He feels that anyone with a brain and something he cares about will betray him, so he raised a bunch of brainless jellyfish. And he is one of these brainless jellyfish. "...?" After feeling sad for a while, Yu Shu looked at the Demon Lord sitting on the high platform and began to have thoughts. According to the original plot, after the villain was killed by the protagonist, the protagonist's younger brother chopped the villain's body into pulp, and then set fire to the devil's palace. Naturally, all the jellyfish raised by the villain were burned to death. In order to survive, he must stop the villain. However, he was trapped in this huge water tank, and the only thing he could do was to attract the villain through free fall. In response, Yu Shu stretched out his tentacles to wipe away his non-existent tears. However, no matter how many times he fell freely, the villain never even looked at him. Finally, just when he was about to give up, the villain appeared in front of the water tank. The villain glanced at the water tank, then pointed at him and said: "This is dead, eat it!" Yushu: "...?!" . Intention: Create the future with your hands