Demons

Oliver Queen knows a thing or two about personal sins. Saying it doesn't tear him up on the inside would be a lie... (This drabble/oneshot was originally written based on a prompt from the DCFanfictionWriters group on deviantArt. The prompt was "black kryptonite"; you were to take a character, OC or canon, and show the two sides of them at war. I started writing... THIS happened.)