Probes are robotic drones that service the Nexus and gather resources needed to power the Protoss technologies.

Templar Warriors who are the main infantry.

If you can make an army of dragoons, do so. They are powerful photon cannon units.

High Templars are powerful vertan warriors of the Protoss armies.

Archons are burning effigies of the Protoss spirit. Two templars sacrifice themselves to become a Archon.

Reavers create Scarabs that explode on impact. The Reaver is the Protoss long-range weapon.

Scouts are flying ship used to protect zealots during battle.

Shuttle us used for transporting units at high speeds.

Arbiters fly at very high heights and make all friendly units invisible.

Carriers make there own little flying ships that are unleashed at massive rates that can take out a enemys defenses easily.

Observers are invisible ships that survey the land directed to. They can detect cloaked ships and units.

Center of operations and storage place for minerals and gas.

Carved from the great Khaydarin Crystal on Auir, Pylons creat the psi needed by all units and buildings.

Gateways use warp technology to transport troops from the homeworld.

Assimilators harvests the gas needed by protoss technologies.

Cybernetics Core is a depot for the supplies needed to make dragoons.

The Forge was created to continue upgrading to weapons and defenses of the Protoss.

Citadel of Adun is used as centers of learning and resarch for Protoss warriors.

Robotics Facility is used to create war machines for the Protoss Army.

Robotics support bay is used to support the Robotics Bay for upgrading its war machines.

Observatory is used to store the data of the terrain for later use.

The Templar Archives is used to resarch data for use of the Protoss High Templars.

Stargates are used to creat all of the Protoss Air-Force.

Using A large piece of the Khaydarin Crystal, it can create the larger ships of the Protoss Fleet.

It is hard to safley transport Arbiters to the colonies so the Arbiter Tribunal safley pulls the Arbiter to the colony.

The Shield Battery is used to recharge the shields of units and vehicles.