It's a fantasy role-playing game.

DM: You are Percival de Rolo, a human gunslinger . You are the member of the famous group of adventurers. Previously, Percy offers to donate his Manual of Quickness of Action in return for access to the library's private collection. They are shown two books, one in Abyssal and one in Common.
DM: There is very little talk about celestial blood, divas, other than the fact that there's been a long-standing battle since the founding. Since the prime gods and betrayer gods divided early in the creation of Exandria and--
Player: There's no talk about using celestial power as some sort of weapon against these creatures.
DM: Not celestial power necessarily, but some of the entities are susceptible to various divine magics and abilities, and that is a strong back and forth between the two sides. The big war is between the devils and the demons. The Abyss, which is the nature of chaos and evil and driven hunger at whatever cost, versus the power-hungry devils, which build structure, dominance, expanding their territory, and ruling through structure and power.
Player: Okay, so within evil, there is chaos versus order is kind of the internal conflict of evil.
DM: Yes, those are the two sides, devils versus demons.
Player: All right. This is all very useful.
DM: But there are many tiers of the hells and nine--
