The Most Powerful Cheating System

System, funny, cheating system, all worlds, time travel Li Xiaobai was originally an ordinary person on the blue planet. Suddenly one day, an old man came to him and told him that he could teach him to cultivate immortality. Li Xiaobai thought that the old man was a madman, but he did not expect that the old man was a trap. Ever since he met this old man, Li Xiaobai said that he was as unlucky as he was. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.