Ok,
I feel abit dumb right now, but I do not care too much about beeing on high blood levels as usual (testing things out is higher in my priority list obviously).
I have about 25% blood left or so and whenever my bloodcounter drops I suffer health damage. I cannot remember that this happens (again I usually play high blood vamps). Is this noted somewhere, that this is a usual behaviour because I cannot find anything.
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While we are at it. Is the bloodloss timer description here on the "wiki page" and in the loadingscreen infos still up to date?