Finding Vrakhir blood in Blood of Dawnwalker might trip you up a bit if you're looking to unlock new abilities and generally mess about as a creature of the night. While you acquire most skills in the tree naturally as you drink blood and just generally be a vampire, some specific skills only become available when you "drink Vrakhir blood" and it's not clear exactly how. Below, I'll explain where to get it, plus how to unlock all Vrakhir blood-related abilities.
How to drink Vrakhir blood in Blood of Dawnwalker
If you anger one of the Vrakhiri boyars by messing with their operation, you'll get a chance to fight them (and drink their blood)Rebel Wolves
You can also get Vrakhir blood by defeating certain Murohn bosses, such as the one in the Bad Blo... 
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