On the already crisis-ridden Black Flame Maw Position, the Twilights' Servants released the Banquet of Thousands of Souls.
It's not entirely clear what this thing does, but if it can make Nifytelli in Westerburg feel the Netherworld's wrath and rage, it speaks volumes about its formidable nature.
In fact, this was indeed part of the plan.
Ever since the Blood Flag Wheel War began, the Wolf People have been charging relentlessly despite casualties. Although this is their typical combat posture, it doesn't prevent those hiding in the shadows from fully exploiting it.
Using the rage and despair from deaths as a medium, they bring back souls that have entered another world into the material realm.
As long as the ritual of the spell continues to operate, these Spiritual Bodies will be driven to attack all life continuously. The opposition is absolute between the undead and living forms, and the resentful spirits awakened by this ritual lack any semblance of reason.
