In the Gu World, Dao Marks were extremely special things. They were the most basic building blocks of the laws of heaven and earth, the fundamental material that made up Immortal Gu, and, to some extent, a measure of a cultivator's foundation.
Immortal Apertures were divided into rank six, rank seven, rank eight, and rank nine. The chief difference between these ranks was the quality of the Immortal Essence they produced over time.
The main purpose of Immortal Essence was to activate Immortal Gu of the corresponding rank. Fang Yang had already become a Great Saint, and the divine power within him was of extremely high quality. Although he had only just reached rank six, activating rank-eight Immortal Gu was effortless for him.
Aside from Immortal Essence, the most important thing to a Gu Immortal was the number of Dao Marks of their primary path within their body.
Dao Marks were the material that made up Gu Insects, but when attached to a cultivator's body or Immortal Aperture, they acted as something like an amplifier.
Generally speaking, a hundred Dao Marks could increase the power of Gu Insects of the corresponding path by ten percent.
A thousand Dao Marks provided a hundred-percent increase.
Ten thousand Dao Marks provided a tenfold increase.
"My Time Path Immortal Aperture is dominated by Time Path Dao Marks, with more than five thousand six hundred of them. Of the other Dao Marks, Space Path Dao Marks are the most numerous, at over thirteen hundred. There are also some Law Path, Qi Path, and Earth Path Dao Marks, all numbering fewer than a thousand."
"Even a rank-seven Gu Immortal would only have this many Dao Marks in their Immortal Aperture. I nearly drained the Qi Sea Grotto-Heaven this time, and the gains were enormous.
"From now