*Spoiler Free* Short Review after binge watching the entire series [ ep0-24 ]
Fate/Zero was one of my favourite anime , felt like 'end' and 'continuation' of the characters from F/Z to F/sn was unsatisfying.
Story - story was OK , drags at some parts of the series while too little focus on other characters. Personally felt like the many characters are forgettable. The 'servants' aren't as interesting as F/Z.
Animation - ufotable does it again. 11/10 for a series.
Music - 9/10 , good soundtrack
Overall - 8/10 (GOOD)
TLDR ; ok story , great animation , still definitely worth your time to watch this instead of the other *cough* fan svc trash around. Definitely a must watch for action fans