As the power of Yin rose and began to harmonize with the Yang power from the initial conflict, complementing each other, the power of the Ancient Sun Emperor reached a new peak, his aura even more terrifying than before.
Both the power of Yin and the power of Yang are amongst the strongest Laws of nature; when these two powers fuse, the resulting force is more formidable than either one alone.
This was the final card of the Ancient Sun Emperor, activating the power of the Yin Laws that he had refined but not yet fully mastered.
Originally, although the Yin Laws were suppressed and devoured by him, he had yet to master them. They competed for control within his body with the Sun Laws, and he did not know how much time it would take to refine and fully grasp them.
