[quote=@Multifarious]
<Snipped quote by Nimda>

Crona's... Personified blood, I dunno. Its name is Ragnarok, and it said it would start visiting you in your dreams. I'm assuming it wants to influence you to make contact with the Black Blood- the blood that has droplets sitting right there in your book, I'm guessing. If it succeeds in making you contaminate yourself with it, it'll pretty much take over and ruin your life in the same way it did Cro-
...
What do you keep in that book?
[/quote]

I keep demon seals in order to prevent anything like what you describe from actually happening. They have a one hundred percent success rate.