From the website:
Follow the Wayfarers Brotherhood to the war-ravaged Realm of Discord to help end the tyrannical ways of the Muramites once and for all. Mata Muram, the leader of the Muramites, is rumored to be building the ultimate invading army. It's up to you to thwart his plans.
Experience EverQuest: Omens of War and the twisted lands of a realm where war is persistent and death is constant. Face the fear of the Battlegrounds of Discord. Explore the shattered landscapes of the Discordant Plateau. Then take your fury to a landscape that teems with Muramites preparing to invade not just Norrath, but countless innocent worlds. Adventure solo, or in groups and raids to complete "epic quests" and earn prestigious weapons.