PridefulRoyalty
Since is making the general the seven cardinal sins, why not have them take a sin like SDS. Genshiro can be pride because of his dragon lineage. Lucifer can be sloth because of his laziness and unwillingness for work. Ashiya can be wrath because of his loyalty and willingness to destroy anything for Alex. Emilia don’t really know. (Optional)Aizen can be Greed because he want power to be god.