The rapidity of the absorption meant that Klaus couldn't think about it other than a: 'He ran out of steam.' For that's what it seemed like.
There was a lot to think about, but he didn't give it much thought because something happened in his body at that moment.
The first thing is that the marks over his heart stopped being 'marks' and became something very similar to an energy transmitter that permeated the veins coming out of his heart. Gradually, they expanded, and within seconds, they were over every vein in his body.
At the same time, a strange energy was mixed between those veins. This energy was not positive, nor was it cursed. It was a kind of dark energy, a bit similar to the cursed energy, only a bit darker and more evil.
