Manuscript page: Black Blood

Manuscript page: Black Blood is an alchemy formula in that is needed to craft Black Blood.
It's a possible spawn at a random diagram location starting at level 5, or purchased from the following merchants:
* Keira Metz
* Otto Bamber at the Herbalist's Hut northeast of Oxenfurt
* Gremist at Gedyneith
ru:Рецепт: Чёрная кровь
Category:The Witcher 3 alchemy formulae