Ni-Chang's entire motivation centers on her obsessive quest for immortality. She is fiercely loyal to the Jade Warlord only so long as he promises her the elixir, which he ultimately betrays. She is sent to retrieve the legendary Ruyi Jingu Bang (the Monkey King's staff) from the protagonists. Her character is a key obstacle in the heroes' quest, providing both intellectual challenge (attempting negotiation) and intense martial arts combat