''Rrrbit! Rrrbit! Great Jove has found you unworthy, human! Now prepare to die !''
100 Word Society
These spellcasters are the few who survived the great trials to become a being of both arcane and divine magic.
Elves are not actually aloof. They are actually extremely family-based and insular, and often intermarry inside their families, making them uncomfortable around those not of their family. Therefore, they shield themselves behind pretended aloofness and coldness until they are comfortable in others' company.