Chapter 1831: Chapter 1831 - 920: Little Red Sky Collapses, Sea-settling Pearl Completed

Anyone leaving a cultivation technique in the study, claiming it could help break through the bottleneck, even demonic cultivation techniques, Sun Huanglong dared not cultivate directly.

As he pondered, Sun Huanglong quickly thought of something he had overlooked.

The fact that he was completely unaware, and even the entire Sun family estate’s restrictions were unperturbed, made it clear that the person behind the letter was not only immensely powerful but also a master of formations, a major character in the demon path.