Nux became a Divine Stage Cultivator once he acknowledged himself. He advanced because he understood what he was and what he had become.
Unlike others, Nux didn't need the Universe's acknowledgment because he was a Universe himself.
So when he releases the Aura of his Law of Self, the ones on the receiving end of it face the Aura that belongs not to a human or any normal living entity.
They face the Aura of a Universe.
They face the weight of the Universe crushing their entire being.
This was what Amaya and Vyriana felt when Nux used his Aura to suppress the two of them. The despair they felt, especially Vyriana, was still clear within her mind.
And that was when Nux was holding back, and he was holding back significantly.
After all, he would never do anything to harm his wives. Honestly, at that time, Nux highly doubted if he was using even 1% of his entire strength. Even while using that little strength, he understood one thing: