Stone Into Diamond

At this time, separated into their own corner, were Xu Tao and Hu Wen. Swirls of lightning flashed all around their bodies. They both were tightly focused, giving it their absolute all in this challenge. 

However, the best they managed could do was summon 10% of their Inner World power. Furthermore, they were utilizing their Divine Law essence energy to forcefully tear through the Dao energy principle's pressure. 

They couldn't be like Cain and Amber, in which they can comprehend a tiny portion of Greater Dao sensation. If they were to attempt it, their Spiritual Sea would completely collapse from the immense pressure. 

Neither their foundation nor perception abilities were at a level to even contend with the Supreme Divine Law principles of a Holy King.