Arena Grade is determined by a players Arena Points and Arena Rank. Arena Points are the Summoner’s War equivalent of a matchmaking rating and Arena Rank is a players Arena standing within entire Summoner’s War player base.
As Arena Grade increases players earn more Glory Points per Arena Offense (AO) win. Once a week, at 10pm server time, Arena Grade will be tallied and players will be rewarded with crystals and, for players graded Conqueror I or above, a predetermined Light or Dark monster.