Blizzard has shadow-dropped a brand new campaign for its real-time strategy game Warcraft 3.Forsaken Kingdom is a two-part prologue for the 24-year-old RTS, which can be bought standalone. It goes live today, September 12, following the BlizzCon 2026 Opening Ceremony.The surprise announcement is part of the 3.0 update for Warcraft 3 Reforged, which is free for all players and includes World Editor updates.Here's everything announced at BlizzCon 2026 for more.Developing…