Fate Stay Night: The Sword and The Blacksmith

The fifth Holy Grail War, one of the easiest things to change with a simple 'What if? This world has three of them and it's going to lead to glorious chaos. So let's see what happens when we have a man to help reforge Shirou's ideals, A woman that Shirou calls his mother and... Actually I'll let the last one be a surprise. Rated M because I'm not shy about gore.