Iris
Queen of the South Sphere | Jack of DiamondsAs a queen, she handles medicine and technology for the South, having left the North due to their unethical methods.
Sphere: North
"We don’t ‘retaliate against other spheres for no reason,’ no matter what the others might have told you. The fact that they’d use the word ‘retaliate’ should be your first clue that there’s a reason for our attacks."