Chapter 91: Chapter 88: Explicit Explanation (Part 2)

"Borrow as much as you exchange, debts must be repaid; this is an ancient and eternal principle. The amount of Tribulation Power you transform, I, as the Tribulation Master, must replenish afterward. Otherwise, the potency of the 'Black Sky Tribulation' will fluctuate based on the amount of transformed Tribulation Power."

"The third law, Endless..."

Feng Jiu's face suddenly turned pale.

With a light chuckle, Qing Yu said, "From the name, you might have guessed what this third law entails. The 'Black Heaven Book' aligns with celestial patterns, the Three Constellations and Twenty-Eight Stars combined into thirty-one paths are refined; afterwards, even without further cultivation, the internal Tribulation Power will circulate on its own like celestial stars and constellations. Since the Tribulation Power does not dissipate, the 'Black Sky Tribulation' will have no end."