A man extends his hand towards another and declares “I’VE HAD ENOUGH OF
YOUR WORDS”
He flexes his bicep and tenses his hand before letting them fly, along with his command. “MODS, REPLACE THIS MAN’S BLOOD WITH AN INCOMPATIBLE BLOOD TYPE”
A trio of shadowed men drive the first into a dark corner.
Blood types essentially mean that you produce antibodies to receptors found on other blood types. Dat you have A+, then you produce anti B.