In an ancient kingdom, a vicious warlord is on the hunt for a magical sword. Forced to escape his soldiers, the young girl who guards the sword is hunted until she receives some unexpected help from a pair of odd strangers.

Fate/Zero takes place ten years before the events in Fate/Stay Night, detailing the Fourth Holy Grail War in Fuyuki City.

In the near future, it is possible to instantaneously measure a person's mental state, personality, and the probability that a person will commit crimes with technology called the Dominator. Just thinking about a crime can make you guilty, and in this world there is no mercy for criminals.
Detectives work in pairs—one Enforcer and one Inspector—with Enforcers delivering lethal justice, and Inspectors making sure their partners don't take things too far. The story follows an Enforcer Shinya Kougami, who must solve and manage crimes in this dark future.

Various spin-offs from the anime and the manga "Aldnoah.Zero".http://mangapark.me/search?q=aldnoahzero