Well i have time now. Anyway, I'm working on a 11C Crusades Dark Fantasy Campaign Setting, that I plan to run this march. It is called "Sins of the Crusade".
The Concept of the setting story is based on the premise "What if Alexius was Successful?". This alternate timeline explores the historical implications of a successful cooperation between the Byzantine Emperor and the Crusaders after Antioch. It Imagines a Reborn Roman Empire and the cost such a Rebirth would mean to the rest of the world. It's fantasy slant comes from the sinister repurcussions, of blending Norman Expansionist Appetite with Byzantine Perpetuating Oligarchies.
The result is a more complicated Byzantine Political Structure that perpetuates suffering and regresses technology while maintaining the Imperial Status Quo for Centuries.
The Fantasy Elements is in the Perpetual Dark Irony and Suffering the Rulers of the Empire live. Each generation suffering darker and darker tragedies. The Pain of the decendants of the Conquerors is drawn out over centuries. It culminates to a point that dark powers further extend the suffering with curses of undeath, immortality, and monsters. The land also suffers these dark curse as the world suffers cycles of famine that last years, nights that last weeks, mists that shroud the east, storms that wall western sea, ferocious jungles in the south and the winter of the north.
Its Byzantium in Perpetua at a cost that cannot be paid.