Robotic Bay The Robotics Bay is a structure on the Protoss Technology Tree that unlocks the Colossus and the Disruptor units at the Robotics Facility. It also contains three upgrades for Robotics Facility units: the Gravitic Boosters speed upgrade for Observers, the Gravitic Drive speed upgrade for Warp Prisms, and... read more

Stargate The Stargate is a unit producing structure for the Protoss, responsible for producing most of the Protoss air units. It requires a Cybernetics Core before it can be warped in. The Stargate produces the Phoenix, Oracle and the Void Ray, and after the Fleet Beacon is completed, the Stargate... read more

Pylon The Pylon is the Protoss supply building and the primary source of the Psionic Matrix power field. After warping in, the Pylon is surrounded by a circular field of the Psionic Matrix, providing power to nearby structures and enabling units to warp in on demand from Warp Gates within... read more

Photon Cannon The Photon Cannon (often shortened to just Cannon) is the sole static defense building for the Protoss. The player must control a Forge before building Photon Cannons. It's more versatile than its Terran and Zerg counterparts as it can attack both air and ground units. Photon Cannons also... read more

Nexus The Nexus is the fundamental building for the Protoss. It warps in the Protoss worker, the Probe. Since patch 4.0.0, after the Fleet Beacon is built, the Nexus can also produce the Mothership. The Nexus is also capable of casting the Chrono Boost spell, which gives a bonus to... read more

Cybernetics Core The Cybernetics Core (sometimes referred to as Cyber Core or just Core) is a structure on the Protoss Technology Tree, which requires a Gateway before it can be warped in. The Cybernetics Core unlocks new units and the Shield Battery building, and enables research of several upgrades. Possessing... read more

Fleet beacon The Fleet Beacon is a structure on the Protoss Technology Tree that unlocks capital ship level air units, specifically the Carrier and the Tempest at the Stargate and the Mothership at the Nexus. The Fleet Beacon also contains an ability upgrade for the Protoss fleet: the Phoenix's Anion... read more

Dark Shrine The Dark Shrine is a structure on the Protoss Technology Tree. Its only function is to unlock the powerful Dark Templar stealth melee unit at the Gateway and/or Warpgate. The Dark Shrine requires a Twilight Council before it can be warped in. Like most Protoss structures, the Dark... read more

Assimilator The Assimilator, a Protoss structure that can only be built on top of Vespene Geysers, allows the player to collect Vespene Gas. Probes sent to an Assimilator will return Vespene Gas to the nearest Nexus. The Assimilator is equivalent to the Terran Refinery and the Zerg Extractor, but has... read more