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.


In theory, if you were to replace literally all of somebody’s blood with a different blood type all at once, would it actually kill them in the same way partial replacement would?
200%, yes. Your body would produce blood that causes you to die. You would be your own “partial replacement.” Which is metal as fuck.
Could someone with ab or o survive this then?
No, there are incompatible blood types for both. They’re rare and it really sucks to have one, but they exist
Blood types essentially mean that you produce antibodies to receptors found on other blood types. Dat you have A+, then you produce anti B.