User blog comment:Wagnike2/Assasin's Creed Fantasy Setting/@comment-4637168-20121115054355/@comment-5413627-20121115130535

Ivan VI's hidden library (or libraries) could be like a Lair of Romulus sort of thing. I believe he had secret police to keep control over the population. Btw wasn't Novgorod siezed by the Duchy of Moscow way before Ivan?