The Crumbling Stage

The Einzbern family decides to give the Magus Killer a second chance but this new War requires a new hero. A for want of a (what-if-Shirou-had-been-trained-by-both-the-Magus -Killer-and-the-Einzbern-family-in-order-to-be- awesome-in-the-next-Holy-Grail-War) nail story. Phew.