After a grueling expedition, our protagonist reaches the fortress of the Dark Lady, only to be unexpectedly solicited for aid. The protagonist recounts the devastation unleashed by demons in a war that claimed countless lives and plunged many into despair. Surprisingly, the demon queen argues that this conflict has united humanity and presents data illustrating a surge in population, productivity, economic growth, and overall societal advancement. She warns that halting the war would trigger a catastrophic civil conflict, dwarfing past bloodshed. Convinced that aligning with the Dark Lady is the key to a fragile peace, the protagonist agrees to aid her cause.