Back From the Brink Season 1 Episode 39

Because of the change of the stars, Ling Xiao decides to investigate Dark Phantom's mind's eye. Although Dark Phantom's body is destroyed, it could be formed with the dark aura. It is much more difficult to fight against him. Dark Phantom wants to lure Ling Xiao, but finds that Ling Xiao is determined and would not be confused by him. In order to stop the invasion of Dark Phantom's army, Ling Xiao sacrifices himself to prevent them from the dart aura.