In fact, comprehending the profundities of a law to the mastery stage did not mean one had completely mastered a law. In a way, one could say that comprehending all the profundities to the mastery stage was only the beginning. Even after comprehending all of the profundities from a law to the mastery stage, although one could cast them all at the same time, the power was not as strong as if one had fused them into a single powerful technique.