All the Elders in My Sect Are My Avatars! - Chapter 39 – Celestial Rotation of the Five Elements

... nique was incredibly complex and demanding.

Its complexity stemmed from the fact that it was a taboo technique, capable of being used at any cultivation level, which naturally meant it was anything but simple.

Its demanding nature, on the other hand, fell entirely on the cultivator's mental capacity.

It was well known that as a cultivator refined their realm, their mental processing capacity and memory retention increased exponentially.

'Back on Earth, I remember ...