Welcome to DAAAARKNESSSSS and no parents. Tonight on arrow we get some extra shadows on the overall dread of this show, apparently. So we should probably start reacting.
Episode Synopsis: Prometheus goes to great lengths to break Oliver. Meanwhile, in the flashbacks, Anatoly becomes worried about Oliver’s increasingly violent tendencies, which come to a head in a brutal confrontation.
So I have no idea what Kapiushon means, but Google corrects it to Kapushon, and youtube’s first sugestion was the following. Which I think it’s a pretty big clue on the themes of this episode: