Home > Starcraft II > Starcraft II Single player: Protoss Research Tree

Starcraft II Single player: Protoss Research Tree

Gathering Protoss and Zerg parts during the single player part of Starcraft II: Wings of Liberty gives some pretty interesting choices. Let’s take a look at what the Protoss have to offer:

5 points: Ultra-Capacitators [BEST] / Vanadium plating

Speed and Damage increase versus Health and Armor increase. 5% is not that much, however, it adds up over many units. The more units you have, the better the damage increase relatively gets compared to health and armor which only matter on a single unit with a large health pool like a Thor.

10 points: Orbital Depots / Micro Filtering [BEST]

Supply depots can be build instantly or refineries produce gas faster. With a bit of planning you should never get supply capped and there are several missions where you start with a large supply anyway. On the other hand, getting gas faster on timed missions is a great boon

15 points: Automated Refineries [BEST] / Command Center Reactor

Getting Automated refineries means you no longer need SCV’s on gas, but you still get the same amount of SCV’s to start with. At food cap, you save three food per refinery to use on armies. It also allows you to build refineries without a Command Center nearby. Command Center Reactor on the other hand is just nice at the start of the game to get some SCV’s up quicker, but it becomes mostly worthless quickly.

20 points: Raven / Science Vessel [BEST]

I love the Raven, but the Science Vessel is borderline overpowered. It can repair mechanical units with no cost except energy and that regenerates, which is a great on levels with little resources. Suddenly it is possible field a large air army that needs no repairs or backup. Banshees, normally quite fragile units, become a truly scary force if a few Science Vessels join them.

25 points: Teach Reactor [BEST] / Orbital Strike

Tech Reactor works both like a Tech lab and a Reactor and the double build ability also applies to high-tech buildings. So a Starport with Tech Reactor can build two Banshees at the same time. This gives both versatility and saves up resources that would otherwise be spent on additional buildings. Dropping barracks units anywhere on the field (with sight) by the Orbital Strike is fun, but units still have to build, so to drop a sizeable force anywhere, you will need many barracks and time the building of units. Putting a force in a Medivac is often more useful. Orbital Strike does shine on a single mission near the end though, but Tech Reactor outshines it everywhere else easily.

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  1. Sebastian
    December 28, 2010 at 10:37 am

    Hey thanks for this guide it helped a lot and the choices are well supported.

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