That’s “Volume 1: Revelations of Gipat”, to you. Allods’ first expansion raises the level cap to 42, adds 100 quests, and a new instance. The full patch notes are here, if you’re interested in the grimy details. As I understand it, this patch also removes one of the death penalties that had been annoying people so much, which should make things a little more playable. And it it’s free, obviously, because Allods is free-to-play.