Cybernetics Core

This is the Protoss Structure that unlocks Immortals, and researches Warp Gate. This allows protoss to Warp units in at any Pylon.

Overview
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Warp Gate

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Allows Warp Gate transformation. Tag: Structure

Requires: Gateway

Unlocks: Twilight Council, Robotics Facility, Stargate, Immortal

The Cybernetics Core is the Tier 1.5 Structure for the Protoss. Similar to the Barracks Tech Lab for Terran, it unlocks more powerful early game Units, and can unlock Upgrades to augment them. It's a prime target for harassment from air based Builds, because killing it means that the Protoss can no longer produce Immortals, their bread and butter anti air Unit.

Upgrades
The Warp Gate Upgrade can be researched here, a very powerful tool for Protoss reinforcement, defense, and harassment. Once this Upgrade is researched, any Gateway can transform into a Warp Gate, and spend cooldowns to produce Units at any Pylon. However, Units produced this way have a longer overall build time than Units produced from normal Gateways.