Rider is noble and physically overbearing. He is not pragmatic, but is a person who lets history run its course and acts according to his impulses. While he is wild and somewhat inconsiderate to others, his greed inspired his subjects and ultimately resulted in their happiness. He is always jovial, values friendship highly, and he regards the bond with all of his followers in Ionioi Hetairoi as his greatest treasure. They all, being inspired by such a magnificent king, in turn gives him their undivided loyalty and adoration. He also admires people who treat friendship with sincerity, such when he meets Taiga Fujimura. He is compassionate to those with whom he bonds, such as telling Waver that it is natural to be sickened by Caster's atrocities and that he would strike anyone who would feel nothing from the sight.