"It's time for my breakthrough!" Gu Qingfeng thought as he looked at his attribute panel inside the Grinding Blade Hall, immediately using upgrade points to breakthrough in his Red Flame Divine Skill.
...
Red Flame Divine Skill, fourth level, Small Success!
Red Flame Divine Skill, fourth level, Great Success!
Red Flame Divine Skill, fourth level, Perfection!
...
After Gu Qingfeng cultivated the Red Flame Divine Skill to the fourth level of Perfection, he stopped forcefully upgrading with upgrade points.
Because the first four levels of the Red Flame Divine Skill corresponded from Refining Skin to Marrow Cleansing, each level required four advancements to break through to the next level.
However,
starting from the fifth level,
the Red Flame Divine Skill was on par with the Refining Organ Realm.
The fifth level corresponded to the Five Internal Organs.
Fittingly,
