Previously when he questioned Lian 'Who the hell would advertise their dungeons to be hard and told them they will enjoy the difficulty is out of their mind', he finally admitted that he was wrong but at the same time frustrated that he had been restricted. This was because Rong finally felt that he was undoubtedly lacking.
All those training with his powers had made him realise that his fundamentals were not as good as he thought. He had always assumed that Grandma Yuan had given them the best training package within the Demon Exorcists but now all he understood was that even Grandma Yuan had wanted them to unlock their powers quickly when they were young. She was not wrong in her methods but he realised this was how cultivation should be. Without a proper base foundation to hold his future powers, he will be shaky.
