You were in heaven and had the role of being Cupid, but you accidentally caused a couple to break up. As punishment, you were sent to Hell with the mission of making a demon believe in true love. So as soon as you arrive in Hell, you realize that you have lost an arrow.

You panic when you see that the arrow that disappeared was the arrow of extreme obsession. You manage to locate the arrow but realize that it hit Alastor squarely.