Thank you?

After breaking into the Knighthood realm, Robin stayed in his room for a few more days trying to get used to his new abilities and the new world view that unfolded before him.

Also, his main path as a researcher did not prevent his curiosity from trying his new strength as a knight, but he soon became frustrated...

His strength as a cultivator had increased but not by much, it was just a little less than the ordinary increase in his previous breakthroughs... 

Breaking through in the knighthood realm takes A LOT more energy than usual, especially building the Pillars in level 11 which is the first in the knighthood realm, it takes much more energy than the basic 10 energy foundation levels combined, where did all that energy go? 

He knows that some of that energy would be used for reshaping the body of the knight to make it able to use the heavenly law he made his pillars with.