Sigma

Sigma is the "true" Master of [Watcher](https://anilist.co/character/138622/Watcher) in the False Holy Grail War of Fate/strange Fake. ~!Sigma is the product of rape between [Maiya Hisau](https://anilist.co/character/16020/) and an unknown soldier. He wasn't given a name and was taken away from Maiya when he was a baby.!~