Crisis: The Threat of Failing!.Denki fails to walk on a wall at the academy, and all his friends tell him the concept of chakra in their own way but he does not understand anything and says that he does not want to repeat like Iwabe. Iwabe hears that but does not argue with him. Denki tries to walk on wall and Metal comes to help him in his training, and they start rock climbing but Denki falls and Lee comes just in time to save him. Lee is very happy to see him training very hard because he cannot use Ninjutsu and present him an outfit similar to his own outfit...