NCsoft has released the client of Gracia Part 2, the latest update to Lineage II Chaotic Throne which is free to all Lineage II subscribers. Gracia Part 2 offers the Labyrinth of the Abyss, a multi-tiered cavern where players in a private party battle through monsters and bosses to earn valuable rewards and experience. This update also introduces Kratei's Cube, where players simultaneously fight against monsters and each other for bragging rights and special items. Contests run every half hour, twenty-four hours a day. Here players work through a maze of interconnecting rooms, slaying monsters and players alike in hopes of achieving renown and glory. Krateiís Cube is the first solo player versus player (PvP) and player versus environment (PvE) arena in Lineage II.