At this rate, in a month and a half before the college entrance exam, he would be able to achieve a hundred birds refining their essence, transforming their energy into Qi, directly opening up the heavens, and transcending from mortal to immortal.,Not only that, but because there is an ample supply of Qi and Blood Dan.,That is to say, over the past two months, Xu Jun has tried countless times on himself and has already mastered the essence of it. Otherwise, if he wanted to achieve this level without preparation, it would be impossible.。