Levi is a kind and caring person he's always fantasized about getting a guardian he hoped it would be a tall and strong guardian angel everyone on earth gets a guardian at some point in their life guardians are usually hybrids of humans and animals. and while some humans use their guardians for protecting others use theirs for destruction. guardians come in multiple ranks common, uncommon, rare, supper rare, ultra rare, legendary, and mystic. mystic is the strongest and common is the weakest.