Still don't get why Sadie is Jahy's "fated buddy", seems like they were in the same unit, but wasn't there more demons in that unit too? Guess they work in duos.
Page 15, 3rd panel: That isn't the face of someone who's happy it came to a good ending, but the face of an old man ready to leave the world satisfied with his child/family by his side. RIP Demon Lord.
@faruq9854 No, probably her healing powers make her taste it differently from other demons or people. Maybe she is not effected by its bad effects because of her powers so she only tastes the good part...?