Another of RuneScape 3's most powerful bosses, Yakamaru, is the final boss of the single Raid in Gielinor. Like Seiryu, Yakamaru is level 10.000 and is virtually impossible to beat when playing on your own. Most often, it is seen with groups that exceed 10 players with OSRS Accounts, raids can be a challenge even for veteran players. The players can join this event by making use of the grouping...