Count Constantin is the manager of Blood Business. In the pursuit of blood he does whatever necessary to bleed the foe dry. More often then not its his own crew thats been bleeding, not that it matters for him.

Lady Serena is the sexy secretary of Blood Business. She is paid to do all the dirty work like moving the ball when the thralls cant seem to get it right and also taking care of the mess that mysteriously appears when Constantin has tried to "fix" the problem by himself.
She is also drop "dead" gorgeous.

Ustri is just one among the rest in the hunt for more blood, but he is a little more effective than the rest.

When he was just a small thrall child a was told his Fate was to Kill something big. Double skill is so gonna be dauntless.
Philard is now more able to stay on his feet and bring the foe down.

Etele is known to block her foes before bleeding them dry, and serioulsy why not? Someone gotta do the blocking part. Now she can even block those who try to dodge away.

He is evil, he was meant to be my Dp player from game 1.

Cishe somehow like to bleed the opponents when they are on the ground, and Constantin doesnt complain as it has proven very effective.

This thrall got coagulated blood on his hands. That why he seems to not only grab the ball but also keep it out of harm.

Overseer of Blood Business, paid to keep an eye on the workers, no one wants his Gaze on them.