During the period of seclusion to break through the Sixth, Lu Chenzhou was also pondering how to elevate Phoenix Form Fist to the level of Supreme Divine Skill.
He already had the embryonic form of an idea—namely, to fuse Lightning Dao and Phoenix Form Fist, pushing speed to the utmost limit.
Mystic Turtle, ultimate in defense.
White Tiger, ultimate in slaughter.
Phoenix, ultimate in speed.
Grey Dragon, overall balanced, focuses on constitution and healing.
In this way, he could merge Yuji, Power Extreme, and Speed Extreme with the first three Symbols, achieving true integration.
However, the creation of a Supreme Divine Skill is not something achieved overnight. Without a fully-formed cultivation technique, there are inherent risks. He hadn't intended to use it, but now, to pass the trial, he couldn't worry about too much.
