Lust

It turned out Pureblood Vampires still couldn't completely escape all their common weaknesses, such as their thirst for blood. They also need to intake high-quality blood occasionally to sustain themself.

It is entirely different from Darren, who looks like he has no vampire weaknesses. Unfortunately, Lenora is not very bloodthirsty and will bite other people like a wild beast. Otherwise, her head will fall without her knowing it.

Still, Angus feels like seeing a wild hungry beast when Lenora drinks a blood bottle. He could momentarily notice her timid and shy temperament change into a bloodthirsty beast.

'Is this what Master Darren talked about before? Bloodthirst Ancient Power.' thought Angus while observing Lenora in the distance.