The practice of drawing blood has changed very little over the decades. It looks about the same now as it did 50 years ago.

Robot zombies? It could happen ... Dark Energon (which glows a sickly purple instead of crystal blue) is the blood of Primus' shadow self, Unicron. Since Unicron cannot create life, only pervert ...

Unlike with a traditional blood draw, the patient does not see the needle go into the arm nor the tubes of blood. The process takes about two minutes and has a 95% success rate on the first attempt.