“Public dungeon and world bosses have a chance to drop a tradeable NEW style page for the new Doctrine Ordinator outfit style. The final boss in both the Asylum Sanctorum and Halls of Fabrication have a guaranteed chance to drop a tradeable style page for the new Doctrine Ordinator outfit style.”
The relevant DLC and collector bundles for the region will also be on sale in-game for 50% off. Definitely check out the entire run-down on the official site because per tradition ESO’s events are filled with trinkets and tickets that need some finessing to get the most out of them.
Source: Official site