The Ancient Dome Seal was a weapon, its refinement couldn't be directly expedited by the Wan Ming Incarnation by providing Skill Level progress; it had to be done on its own.
Moreover, this time he did not need to undergo trial worlds as he did the first time. Instead, he could refine it through the Proficiency Panel.
Three years later.
[Ancient Dome Seal (Refinement Progress 7/100)].
Ten years later.
[Ancient Dome Seal (Refinement Progress 15/100)].
Twenty years later.
[Ancient Dome Seal (Refinement Progress 27/100)].
...
As time passed, his refinement of the Ancient Dome Seal progressed slower yet steadily increased.
This rate of refinement was extremely fast.
For an average cultivator of the Outer Path Realm to refine a Heavenly Venerate Ancient Seal, it would take ten thousand years to accomplish without any doubt.
