When Shifu learns that the evil Tai Lung is coming to the land , he quickly teaches Po kung fu so he can be given the Dragon Scroll that will help him beat Tai Lung . Nothing is written on the scroll , but Po finds out that he does n't need the scroll to be the Dragon Warrior and beats Tai Lung without it . Po proves to be a formidable challenge for Tai Lung as he tries to protect the Dragon Scroll .