User blog comment:Varzan Deodinm Beldinm/Late Night One Shot (I'm Open to Critique)/@comment-10380701-20140105083410/@comment-5290299-20140106013817

I would argue that Puella Magi was the darkest but...that was released in 2011. Fate/Zero is DEFINITY one of the darker animes and also one of the greatest...then again anything Urobuchi writes is bound to be dark but rather good and tends to suck you in...unless that one series is Saya no Utau...