Each Citadel houses a different Boss, which re-uses bosses from the PoE 2 campaign with major power-ups suited for an endgame boss. When you defeat these bosses, each will drop a Crisis Fragment.
Project Citadel is a single-player real-time strategy ... Ryan McCaffrey is IGN's executive editor of previews and host of both IGN's weekly Xbox show, Podcast Unlocked, as well as our monthly ...