Just like when a bamboo reaches the jointing stage, if little water were provided, it would be lead to the inability of harvesting it by digging it out. It would cause tremendous trouble!
In fact, Yi Yun’s current capabilities could easily allow him admission into the warrior preparation camp, where he could enjoy better treatment. However, if he wanted to obtain everything as a young fledging, the secret of the Purple Crystal might be revealed. His rejuvenation overnight could never be explained.