At the Seven Profound Sect, on Longxi Peak, advancing a Basic Technique to the Fifth Realm of a Master meant that a Cultivator had the foundation to ascend to Foundation Establishment and could begin preparing for this crucial step.
The elders of the Longxi Peak lineage also mostly comprehended the meaning of "Clear" in terms of having a pure heart, untainted by worldly dust.
Now, Zhong Ming had obtained this core ability, which originated from the heritage of Longxi Peak.
[My Heart and My Will, Clear as a Mirror]
This was the first trait he acquired when his [Longxi Sword Dao · Mirror Heart Demon Slayer] advanced to the Fifth Realm of a Master.
Using his heart as a mirror, this formless mirror could reflect Zhong Ming's mental state, giving him a sense of being 'Clear and transparent'.
