In Essence Creation one would feel the Laws and control truly the Laws under their rule. With their Will they could perform miraculous feat.
As the name of the level suggested, Essence Creation is creating essence. Essence of Laws is different than just controlling the Laws.
The Essence is the Law.
To break through to Essence Creation, it would require a massive energy for him to condense the Laws and refine it to an avatar that then could be condensed into an essence
In this state, he could only fail or succeed. Once failed, he might even have to be reduced back to Disk Formation
If he succeeds, then there is no problem
Entering level 90, at each level an essence will create a clone of the user endowed with the laws that the user has comprehended.
Azief have skipped this with his avatar that he had created in the Supremacy Stairway.