Complex sentence: Later in the novel, he attempts to kill Xie Xun, who is held captive in Shaolin, so that he can take the Dragon Saber, but is eventually slain by the Three Elders of the Bodhidharma Hall.
Split into simpler sentences: Later in the novel, he attempts to kill Xie Xun, who is being held captive in Shaolin, in order to steal the Dragon Saber. He is slain by the Three Elders of the Bodhidharma Hall.