The more the Magi World's Leader saw from the duo, the more shocked he felt. Their talent was just too outrageous, not to mention that he noticed how their existence entered the Law Realm while their True Soul remained at Limit Rank 6.
A strong body was essential, not only for the battlefield but also to improve your talent regarding the laws. That is why many Path Techniques allow you to develop your constitution, some even using Omega Laws. However, no matter their level, they are all dependent on your cultivation.
In theory, it should be impossible to practice a body refinement Path Technique at the level of Rank 7 without having it reach it first with your True Soul Path of Power. Still, the duo did just that, and they even evolved to a new realm using them.
