The term 'Clash of Arms' refers to a WAR, a FEUD, egos, and SUMO. A WAR is a large-scale armed conflict between two or more nations or states. A FEUD is a prolonged and bitter quarrel or state of enmity between two families, clans, or factions. Egos are the sense of self-importance or self-esteem that someone has. SUMO is a Japanese style of wrestling in which two opponents attempt to force each other out of a circular ring or into touching the ground with any part of their body other than the soles of their feet.