Improving mana control to a degree where one could mix the insides of an egg without shattering its shell was nigh impossible to achieve within a week.
Even Adam had taken years to come to such a level, and this was after he'd thoroughly familiarized himself with the experiences of the experts from the Greater Universe. Additionally, he had also put in a tremendous amount of hard work to make such a feat possible.
Take Edward, for example. Even someone like him, who could be considered a child of mana because of his physiology, would not be able to master such precise mana control within a week.
Adam was simply messing around when he gave that deadline to the two geniuses of Baihua Sect. It was to put a sense of urgency in them and also to make them realize what would happen if they failed.
His beatings were very thorough, after all. Even someone like Bai Xun, who had a sturdy physique, couldn't handle them.
