In Homeworld 3, the Warriors of the Fringe Achievement can only be obtained by completing the third campaign mission. I’ll walk you through each step of the Kesura Gate mission to help you unlock the Warrior’s of the Fringe achievement.
How to Complete Mission 3: Kesura Gate in Homeworld 3
The Kesura Gate mission acts as the third level of the Homeworld 3 campaign. After outfitting the Khar-Kushan with production units, Imogen will take the ship to the Kesura Gate. Unfortunately, the gate has been sabotaged and is currently unusable. Players must find and reconnect three Gate Control Modules (GCMs) to activate the gate.

Gate Control Module 1
The first GCM is on the near side of the wreckage by a Data Spire. Start the mission by sending 1 of your Resource Controllers to the GCM’s site. Pick a handful of Strikecraft ships and assign them to guard the Resource Controller while it reconnects the module.

At the same time, send a small squad of recon ships to activate the Date Spire. When they reach the Spire, they must remain in the area for 10 seconds to fully activate it. Activating it will increase the range in which you can detect enemy ships. I also recommend moving the Mothership into the area as well. You’ll need to move it close to the gate at the end of the mission, so slowly moving it closer as you complete objectives will make that process go more smoothly.

I would also recommend using at least one of your resource controllers to gather more resources at this time. The last thing you want is to run out of materials while waves of enemies continue to appear. You’ll also want to produce more ships while being careful not to produce too many. You’ll need to craft 20 fleet bombers for an optional objective and will need room in your fleet for them.
Gate Control Module 2
After activating the first GCM, players will be attacked by a group of raiders from the right side of the wreckage. They will turn to flee, but be careful about chasing them blindly. There is an ambush lying in wait to attack your ships from behind. The area circled in the image below shows where the ambushing ships will appear from.

Additionally, a Missile Frigate will spawn when you get closer to the second GCM location. I recommend putting the troops dealing with the Frigate into neutral, but you can also put them into passive mode. This will make sure that they take cover while attacking the Frigate.

Destroying the Frigate will lead you onto the next objective. You’ll need to clear out all of the enemies near the second Gate Control Module so that you can activate it. Use a Resource Controller on the GCM as soon as the area is clear to complete the second GCM.

Gate Control Module 3
Completing the second GCM unlocks the Fleet Bomber ship. It also begins two objectives. The first is about taking over the third GCM while the second wants you to move your mothership into position in front of the gate.

Start the final part of chapter 3 by beginning Fleet Bomber research and moving your entire fleet toward the third GCM. There will be several Barrage Frigades in the area. The Fleet Bombers will help you take these down quickly.

Destroying the enemies here will allow you to complete the third GCM. However, I recommend pausing here to complete a small set of tasks:
- Finish producing the 20 Fleet Bombers needed for the objective.
- Research the Strikecraft Hull Integrity upgrade.
- Research the Fleet Bomber Cloak.
- Complete the Mothership Overburner research.
- Dock damaged ships at the Mothership to repair them.

Doing all of these things will prepare you for taking on the Raider Carrier in this chapter. Move a resource ship to the third GCM while positioning the Mothership in the designated location.

The Raider Carrier boss will go through hyperspace and land near the gate in front of you. It will be accompanied by many fighters and a few dangerous Frigates.

Let the Fleet Bombers focus on the Carrier and the Frigates. The smaller fry can easily be dealt with by the Recons and Interceptors, although you’ll need to make sure you’re using their abilities properly. Destroying the Carrier will show you a short cutscene and give you the final objective, taking out the rest of the raiders.

Finishing off the Raiders will give you the “Warriors of the Fringe” achievement. It will also end the chapter and send you immediately to the next through a short cutscene.

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