Grays are a lower tier caste. They serve as the police and military personnel of society, and keep the lower Colors in line. Many are shown to be abusive to lowColors beneath them. Their name identifier is ti, the chemical symbol for Titanium.
Highly trained Grays known for killing Golds and other highColors. They are named after a species of hounds crossbred to kill prey larger than themselves. They possess excellent combat skills and tactical prowess far above normal Grays.
Notable Grays Edit