A question that frequently plagued Ignis' mind as well. But Ignis also knows that it wasn't just Astrals mixed into this. For way, too many people Noct gave his life for to cleanse them of their sins- not just ones in the present, but the Kings of the past as well.

"..."

What can he say when he doesn't have an answer?

"Unfortunately... I do not know." Idly, Ignis pulls on his glove. "The Astrals had no power of eliminating the darkness that started enveloping the Star. Whose fault it is- the God's or Human's- we might never know."

His hand curls into a fist: "What I do know is that an innocent soul was sacrificed for all of them. And they better do their part in reviving this world, or so help me-" he'll hunt them down in the afterlife