Once you've defeated the Exiles, continue up the stairs and circle around the left side of the castle entrance to spot another Exile on an upper walkway, as well as a Golden Rune [2] nearby. Be careful when picking up this rune, as the Exile can toss bombs and then enter the castle...
there's a particular treasure in either direction unless you've been down both routes yourself - and fortunately, we have! We'll show you the Stormveil castle gate choice options below, and we've also laid out what happens in both the secret opening and the Stormveil main entrance below....