Humans are... well, you know what a human is! Their physical traits are the same as they are in the real world, though their magical specifics are different. If they learn enough magic, they can become a Magician.
All humans can learn curtain fire, and if they put their mind to it, can make as complicated patterns as Carmina can. Humans are considered to be weak due to the fact that they are not born with any magical ability, and must learn skills. Most humans only have one career in their lifetime.
Humans live to be no older than 100 years.