ther-in-law, this thing has brought a lot of information. It's best to show mercy." My brother's voice came from behind.I turned my head and saw him leaning against the wooden door, happily munching o...nt: "How do I put it A heart demon is something that drives you mad... As for how to quell a heart demon, that's finding a way that keeps you from going crazy and calms your mind... Hee hee, is that c...