The more complicated kind was "comprehension": through calligraphy, painting, zither and chess, sword-dancing... etc., one used personal interests and hobbies to comprehend nature. When the moment arrived, it would produce an effect akin to sudden enlightenment, causing one's divine sense to surge.
In summary, this book, Secrets of the Foundation Establishment Three Barriers, gave Wang Yu practical grounds and guidance for the path ahead, and he benefited greatly from it.
For those who achieved the three barriers, breaking through to Foundation Establishment was natural progression, without the slightest difficulty.
And the role played by Foundation Establishment Pills within it was also closely connected to the three barriers.
For example, the Low Grade Inverse Blood Pill was a kind of Foundation Establishment spirit pill that only took effect on the physical body. It could replenish a cultivator's qi and blood, strengthen the physique for a short time, and make the meridians tougher and more unobstructed.
The Mid-grade Foundation Establishment Pill, meanwhile, took effect on both the Qi and Blood Barrier and the Spirit Energy Barrier. While replenishing qi and blood, its medicinal power could make spiritual energy easier to condense and compress.
The High-grade Foundation Establishment Pill was a miraculous elixir that took effect on all three barriers at once. It could raise a cultivator's odds by fifty to sixty percent, and when added to one's own accumulation, as long as one was not too unlucky, success was almost assured.
This involved another issue: utilization rate.
Three Spiritual Roots were the most standard, able to absorb the medicinal power of any spirit pill normally.
Four Spiritual Roots were worse by half, only 50%.
Five Spiritual Roots were even worse, less than ten percent, under 10%. Only the mild medicinal power of a Top-Grade Spirit Pill could be fully absorbed.
This was