PvP zones are zones either partially or totally devoted to PvP and have special rules and effects that are part of the honor system that allow players to gain honor and PvP rewards. Zones that are only partially involved in PvP are considered part of World PvP. With the initial release of World of Warcraft, the following zones contained PvP aspects: * Eastern Plaguelands - Capturing towers: A Game of Towers. * Silithus - Gathering of [Silithyst] to turn into at specific stations: The Silithyst Must Flow