in which humans are dominant and trolls are lower class. the kingdom is ruled by the strilondes and trolls are nothing more than servants and brute strength. they are favored in many situations to humans because they are stronger and can provide better protection.
for that reason, dave, prince to the throne, second in line to inherit it, got to pick his own troll companion at a young age. someone who would grow to be big and strong and fierce, who would defend him with their life and serve him every moment of the day.
someone unlike the scraggly mutt of a child he chose instead.