After completing the grand formation at Origin Return Manor, Mu Wei had been ready to take it easy. But Xiao Yan proved too capable, successfully reviving the undead experts within the Heavenly Tomb and bringing Mu Wei fresh insights into formations. More importantly, there was someone else equally proficient in this field: Jiao Xian. Through their tireless research, they gradually discovered that the vast number of powerful souls collected by the Soul Hall had all been intended for use in a massive formation.
The Soul Clan's methods were exceptionally covert, involving formation arts that had been lost for thousands of years. On the present-day continent, aside from the Dou Di Descendant Clans, almost no one else could access such formation techniques. Thus, they had managed to conceal it for all these years.
Of course, the Dou Di Descendant Clans might also have known of this matter. They simply chose not to stop it directly out of tacit understanding, since the Soul Clan's strength was acknowledged by all the Dou Di Descendant Clans. Moreover, every clan had its own little secrets. For instance, the Thunder Clan nurtured Nine Profound Golden Lightning within the Thunder Pool, while the Ancient Clan had originally occupied the Heavenly Tomb space and, as its hosts, had long monopolized the Xiao Clan's Heavenly Tomb quotas.
Every clan had its own calculations, so they had remained at peace all along. Once the continent began to fall into turmoil, however, each clan found itself overwhelmed and unwilling to provoke the Soul Clan's wrath. As a result, no one had wanted to touch the Soul Hall.
Yet this secret had ultimately been seen through by the present-day Origin Return Manor. And Origin Return Manor no longer feared the Soul Clan's attention. After all, they were about to launch a direct