Threads of Rule Power continually ravaged Black Cat Didimos's body. But because the Rule Power was relatively scarce, even carrying a trace of the Rule Origin's will, it still could not do anything to Black Cat Didimos.
Of course, if Black Cat Didimos truly had to face the Death Tribulation, he would certainly be doomed. But Merlin had confined some Rule Power and released it bit by bit, keeping it within Black Cat Didimos's limits of endurance. After being tempered by Rule Power, Black Cat Didimos could undergo a true transformation.
A creature that had truly survived the Death Tribulation after reversing the rules might become an existence like the Thirty-Six Emperors. Even if he could not reach that level, he would at least attain the Fourth Layer of Supreme Existence.
Thus, as Rule Power continually bombarded Black Cat Didimos and Merlin kept releasing tiny threads of it, Black Cat Didimos's aura grew stronger and stronger. He had clearly begun to transform, little by little.
However, Rule Power could not do anything to Merlin's Illusory World. Moreover, Merlin's aura seemed to have stirred the Void Realm. A terrifying aura spread from the Rule Gate, followed by an immense shadow that gradually enveloped the City of Glory, even the entire Spellcaster Civilization.
The surrounding Supreme Existences all felt their hearts tremble upon sensing that aura, while Merlin was inwardly shocked, his expression incomparably grim.
The Rule Origin was about to shroud the entire City of Glory and the whole Spellcaster Civilization. When that happened, even the slightest aftershock could inflict unbearable damage upon the Spellcaster Civilization.
If the Rule Origin's power went berserk, the vast Spellcaster Civilization could be destroyed in an instant. Even the City of Glory, which could ensure that Supreme First Tier existences never returned once they entered,