Deep within the Spirit-Slaying Demon Cavern lay Yin-Yang Valley. Drops of rain, interwoven with black and white, fell through the void. Their colors resembled the opposing yin and yang forces of the Taiji, slowly flowing and turning as they descended rather than remaining rigid and unchanged.
The black-and-white rain left the line of demons below in an extremely passive position. The Silver-Winged Three-Eyed Demon Peng and the Bloodfeather Crane Demon had originally thought they could unleash their full strength. Free from the constraints of the undersea environment, they had indeed relied on their speed to resolve quite a few crises, even though they could not defeat certain powerful demons. The two winged beasts had felt that their safety was relatively assured.
Yet no one had expected to encounter this unexpected Yin-Yang Valley Rain. It looked like ordinary rain, differing only slightly in color, and otherwise seemed to possess nothing extraordinary. But only those who truly entered the Yin-Yang Valley Rain understood how terrifying it was.
At the very least, this group of Heavenly Immortal-level demons had already been tormented into complete submission.
"Damn it, we actually ran into this cursed Yin-Yang Rain. Who knows when it'll end? We can't advance or retreat now. If this keeps up, we won't fall into the hands of those demons—we'll end up sinking here forever like those Yin-Yang Corpse Spirits."
The Horned Bear Demon cursed aloud, circulating the demon essence within his body to form a pale-blood-colored shield that enveloped his entire body. The Yin-Yang Valley Rain had continued for far too long. Even though he had originally prided himself on the abundance of his demon essence, he no longer dared make such claims.
The Yin-Yang Valley Rain pattered against the shield. Although the raindrops splashed apart, some of the interwoven yin-yang power within