Scans_Daily

There are other possibilities, though. One interpretation of the vampiric bloodlust that I've seen more than once is that it's not the actual BLOOD that they need, per se, it's the life force that the blood carries. Presumably, if the energy in Jono's chest is keeping him alive regardless of the whopping great hole in him, it must essentially be about as strong and pure an expression of life force as you can get, which would presumably be quite a treat for your average vampire.