Southern Border.
Inside the super Gu formation.
Fang Yuan recalled the power of qi luck sensation, realizing the usefulness of attainment level.
"The process of elevating qi luck sensation just now was quite tedious, but it was actually very easy."
"Everything flowed naturally like water running down a drain."
Ordinary Gu Immortals would face difficulty in trying to improve or complete an immortal killer move. For example, Vicious Lightning Fiend from Myriad Dragon Dock of the ten great ancient sects took years before creating the immortal killer move lightning deity.
"Vicious Lightning Fiend's lightning deity was deduced using the remnant recipe of Blood Deity. It involved both lightning path and blood path. Vicious Lightning Fiend had enough lightning path attainment level, but his blood path attainment was just ordinary. Thus, he had to spend years, using resources from Myriad Dragon Dock, to succeed with difficulty."