Fate/EXTELLA trailer • Fate/EXTELLA gameplay • The Umbral Star - How to Unlock Artoria Trailer | PS4, PS Vita • Fate/EXTELLA The Umbral Star - How to Unlock Artoria Trailer | PS4, PS Vita dlc • The game's hidden character, Artoria, has the most obscure unlock requirements that some of us have ever seen! (Please feel free to avoid this walkthrough if you'd rather try to find her yourself.)