Black Blood is a substitute for blood that allows it to be under the less hypnotic control of whoever it is given by and usually lets out their chaotic side. Black Blood is usually given through needle. The effects of having it allows the carrier to harden their blood so that regular attacks do less damage, they can also be used for various attacks as well, it can also create a hardened armor around the carrier. There are expected to be many more carriers of Black Blood in Soul Eater Fanon than in the actual manga and anime as it starts to expand.
Here, a list of Roleplaying/Non-Roleplaying Black Blood Carriers throughout Soul Eater Fanon will be posted: