Fate/Zero is one of my top 10 favorite anime so far, The Battles are Exciting that makes this Series Outstanding.
Story: 10/10
Fate/Zero takes place ten years before the events of Fate/stay night, detailing the events of the 4th Holy Grail War in Fuyuki City.
The Story of the 2nd Season was the Continuation of the 4th Holy Grail War.
Art: 10/10
The Art was Seriously Awesome Beautifully Drawn and with CGI it's Freakin Amazing! The Fighting Scenes were Stunning, Probably One of the Best Fighting Scenes I've Ever Seen.
Sound: 10/10
The Opening was Great, The Ending was Something but i Also Like it.
Characters: 10/10
The Characters were Interesting, every one of them is explored and character development is noticeable throughout the show.
Overall: 10/10
Fate/Zero is truly one of the best anime series, and kept me watch it over and over again. every battle scene was truly Impressive.