Complex sentence: Jericho at some point exposured himself to the Gen-factor which gave his powers, and now a man in his early 20's, have planned to crumble his father's life that he had built for himself with the help of his mother and brother.
Split into simpler sentences: Jericho at some point exposed himself to the Gen-factor which gave his powers. Now a man in his early 20's, Jericho has plans to crumble his father's life that he had built for himself with the help of his mother and brother.