The Thalmor is the governing council of the Third Aldmeri Dominion, the union of Valenwood, the Summerset Isles, and the client states of Elsweyr. As explained by Delphine, the members of the Thalmor are "elven supremacists" who seek to end the Empire and eradicate the worship of Talos as it goes against their own beliefs. They claim sole responsibility for closing the Oblivion Gates in the Dominion (much like the An-Xileel). Although this is partly true, Martin Septim was the one who ended the Oblivion Crisis by destroying the Amulet of Kings and invoking the avatar of Akatosh.
