14 Mortal Abbey » by Stale Fruitcake When a dinner held at Downton Abbey goes terribly wrong, Magnus Bane has to help his old colleague, Lord Grantham. Conveniently, Lady Cora's shadowhunter friends, the Lightwoods also happen to be dining at the estate. It should be noted that the author publishes this story at great personal risk. Physical harm has been threatened upon his person for creating such crossover.