No one else had the authority or the courage to ask, so the War Department itself remained unaware of how the Undying Clan and the ancient world ruins were handled; my Master likely didn't know either.
"Only the First Supreme Deity of the North Sea Turmoil knows. But surely the issue was resolved perfectly, given that no further incidents occurred afterward. In order to quell the strife, many techniques and combat arts were specifically designated as forbidden, and no Heavenly Supremes appeared thereafter. Of course, this was limited to the War Department, as the aftermath of such turmoil easily leads to war."
The War Department Traitor looked at Ye Lingtian again and asked, "You have already seen the Undying Clan, haven't you? Where are they? You must know how the First Supreme Deity of the North Sea Turmoil disposed of them, right?"
Chapter 442