Black Sorcerers are regarded as a faction within the World Ability Circle, similar to the nefarious necromancers in Western suspense who practice alchemy and corpse refinement, various malicious techniques, and excel in hiding curses... somewhat akin to China's witches.
However, the fact that the Hell Prince was a Black Sorcerer was indeed a secret Sui Yi had not known about; of course, there were two other things she also didn't know.
After thinking for a moment, she asked, "You mean to say, this Hell Prince had placed a curse at the time, and this curse took effect immediately, causing the death of one hundred thousand imperial troops?"
