1100
As the new century begins, the Byzantines are at Civil War. But seeing as it's still the Byzantine Empire, their ability to amass massive armies does not seem to have been hurt too badly...
Meanwhile, child-prince Tsaphas's loyalty continues to drop, and at this rate he will declare war on his liege in nine months, after which Otto can swoop in, declare war, and take Abydos without actually going to war with Byzantium. That is, he could if he had a claim on Abydos, which he still doesn't...
This burning bald man says that I can get 50 prestige by disagreeing with the Pope! He also says that I have a chance to be declared a heretic and/or excommunicated if I do, but the chances are so low! What are the odds of
both happening?
Oh.
Well, the library's done, and with it 25 prestige from otherwise completely worthless Abauj! Which by itself, brings us up to exactly 223 prestige, gives us just enough to-
Which by itself, and three months of very slow natural prestige accumulation at a rate of 0.1 a month, gives us just enough to...
Claim the title of the Count of Abydos!
Which brings Otto's title claim up to that German province we'll never get to, Emperor of Byzantium, and Abydos!