Black - sadism and cruelty, magic items and treasure from ancient empires.
Blue - vanity and dominion, gems prefering sapphires.
Green - manipulation and corruption, valuable subjects and slaves
Red - vengeful and angry, any treasure of value.
White - primal hunters, prefer to reave and take treasure by force
Brass - talkative and diplomatic, intelligent items or magic items related to communication.
Bronze - freedom and underdogs, treasure and/or historically significant or ceremonial items commemorating a fight against tyranny
Copper - good hosts and jokers. Treaures from the earth, un8que stories and songs