Lingbao Immortal Emperor had done this to stave off death for the time being. While intimidating the petty rabble, he could also settle his final affairs.
Though not every treasure could restore Imperial Fate, among the many things he had consumed, some had indeed been effective. Yet his actions also made matters difficult for you. You needed to deduce based on his current condition, to see whether there was any other possibility in All Heavens that could replenish his Imperial Fate.
Fortunately, he had not squandered everything. It was not entirely impossible to preserve Lingbao Immortal Emperor's life. The crucial item required lay within the Witch Clan—more specifically, the Witch Clan's unique healing supreme treasure, the Undying Azure Divine Water.
If you remembered correctly, during the concluded demon-sealing incident, although Witch Emperor Houtu had not used up all the Undying Azure Divine Water as she had in the warning vision, the amount she retained was truly not much.
From the information you had previously learned, the Witch Clan seemed to intend to treat this remaining portion as mother water capable of producing an endless supply. Through this method, the Witch Clan had endured for several eras. Obtaining such mother water was not utterly impossible, but it would take no small amount of effort.
Although you already understood that the three Heavenly Venerates of the Three Pure Heavens had an immense connection to you, you did not intend to make that too obvious before learning the full truth. Thus, the two of them would have to worry over these matters themselves.
Given the Dao Sect's foundations, if they were willing to pay the price for Lingbao Immortal Emperor's life, they should be able to trade for the Undying Azure Divine Water from Witch Emperor Houtu. If it truly Could Not Be