Oh my... I wasn't expecting a reply so fast! :D
Hmm I see now... 1-2 blood is not much and that's definitely why I thought I wasn't getting any. Will try to git gud. The game looks amazing, I can't believe you did that in 3 days.
You will eventually receive more blood as reward, but it takes time :)
I didn't make it alone, we were 3 persons!