How to acquire combat data from UESC Ghosts and UESC Data Bank in Marathon – Parasitism 1 contract guide

Parasitism 1 is one of the priority contracts you will find for the Sekiguchi faction in Marathon, and there are multiple tasks to complete. The first Parasitism contract is pretty tricky to complete. You'll go up against a bunch of tough enemies, and all tasks must be completed in the same run. Let's look at how you can complete the contract without any extra risks.Table of contentsMarathon Parasitism 1 contract walkthroughHow to acquire combat data from UESC Ghosts on Processing rooftopHow to acquire UESC Data Bank from Pinwheel Base centerMarathon Parasitism 1 contract walkthrough The Parasitism 1 contract can be broken down into three parts.Acquire combat data from UESC Ghosts on Processing rooftopAcquire UESC Data Bank from Pinwheel Base centerDeliver UESC Data Bank to DCONHow to acquire combat data from UESC Ghosts on Processing rooftop Screenshot and remix by Destructoid The first task is relatively easy to complete (compared to the second task). Head to the Processing POI and take the stairs to the roof. Drop to the lower level of the roof, and you'll find a couple of UESC Ghosts. Shoot them down, and you'll get the two UESC combat data to add to your inventory.How to acquire UESC Data Bank from Pinwheel Base center Screenshot and remix by Destructoid This is the hardest task of the contract. Once you reach the marked spot on the image above, you'll find a terminal to open the Pinwheel Base. You'll find a tower to interact with, but you'll also need Clearance Codes (if you're playing in a trio, this job is easier). Image via Bungie Yellow Clearance Codes can be found from the terminals shown in the image above. You'll find them at random spots on the map. While they might not always drop the Yellow Clearance Code, you should find that once you interact with a few.Green Clearance Codes are available as random loot on the map, and they can be found in the open. Their locations, just like the other two, are completely random.Red Clearance Codes seem to drop from terminals located on the roof. You have to interact with one and wait for a few seconds for the Clearance Code to become available. Once you've all three Clearance Codes, you'll need to interact with the terminal to submit them. The terminal will allow you to access Pinwheel. Image via Bungie When you submit the codes, pay attention to what the terminal wants. Sometimes, it can want two codes, and they might often need to be of the same color. Ideally, you'll want to have two of the green codes and one each of the other two colors before you approach the terminal. Image via Bungie A bunch of UESC enemies will spawn after you interact with the terminal. Kill them, and interact with a nearby workstation to complete the hack. It takes some time for the hack to complete, so you need to be on your toes. Once the hack is complete, you'll find an elevator in front of you. Image via Bungie Take the elevator, run straight through two doors, and a quest marker will appear. You'll be approximately at the center of the Pinwheel Base location. Next, return to the same spot where you found the terminal (where you submit the Clearance Codes), and you'll find a DCON nearby. Screenshot and remix by Destructoid There are three DCONs on the Outpost map. Submit the UESC Data Bank in one of them, and it will complete the first Parasitism contract. While the rewards aren't that worthwhile, it unlocks the latter Parasitism contracts that offer better goodies. The post How to acquire combat data from UESC Ghosts and UESC Data Bank in Marathon – Parasitism 1 contract guide appeared first on Destructoid.

Mar 8, 2026 - 20:25

How to acquire combat data from UESC Ghosts and UESC Data Bank in Marathon – Parasitism 1 contract guide

Parasitism 1 is one of the priority contracts you will find for the Sekiguchi faction in Marathon, and there are multiple tasks to complete.

The first Parasitism contract is pretty tricky to complete. You'll go up against a bunch of tough enemies, and all tasks must be completed in the same run. Let's look at how you can complete the contract without any extra risks.

Table of contents

Marathon Parasitism 1 contract walkthrough
- How to acquire combat data from UESC Ghosts on Processing rooftop
- How to acquire UESC Data Bank from Pinwheel Base center

Marathon Parasitism 1 contract walkthrough

The Parasitism 1 contract can be broken down into three parts.

Acquire combat data from UESC Ghosts on Processing rooftop
Acquire UESC Data Bank from Pinwheel Base center
Deliver UESC Data Bank to DCON

How to acquire combat data from UESC Ghosts on Processing rooftop

Screenshot and remix by Destructoid The first task is relatively easy to complete (compared to the second task). Head to the Processing POI and take the stairs to the roof. Drop to the lower level of the roof, and you'll find a couple of UESC Ghosts. Shoot them down, and you'll get the two UESC combat data to add to your inventory.

How to acquire UESC Data Bank from Pinwheel Base center

Screenshot and remix by Destructoid This is the hardest task of the contract. Once you reach the marked spot on the image above, you'll find a terminal to open the Pinwheel Base. You'll find a tower to interact with, but you'll also need Clearance Codes (if you're playing in a trio, this job is easier).

Image via Bungie

Yellow Clearance Codes can be found from the terminals shown in the image above. You'll find them at random spots on the map. While they might not always drop the Yellow Clearance Code, you should find that once you interact with a few.
Green Clearance Codes are available as random loot on the map, and they can be found in the open. Their locations, just like the other two, are completely random.
Red Clearance Codes seem to drop from terminals located on the roof. You have to interact with one and wait for a few seconds for the Clearance Code to become available.

Once you've all three Clearance Codes, you'll need to interact with the terminal to submit them. The terminal will allow you to access Pinwheel.

Image via Bungie When you submit the codes, pay attention to what the terminal wants. Sometimes, it can want two codes, and they might often need to be of the same color. Ideally, you'll want to have two of the green codes and one each of the other two colors before you approach the terminal.

Image via Bungie A bunch of UESC enemies will spawn after you interact with the terminal. Kill them, and interact with a nearby workstation to complete the hack. It takes some time for the hack to complete, so you need to be on your toes. Once the hack is complete, you'll find an elevator in front of you.

Image via Bungie Take the elevator, run straight through two doors, and a quest marker will appear. You'll be approximately at the center of the Pinwheel Base location. Next, return to the same spot where you found the terminal (where you submit the Clearance Codes), and you'll find a DCON nearby.

Screenshot and remix by Destructoid There are three DCONs on the Outpost map. Submit the UESC Data Bank in one of them, and it will complete the first Parasitism contract. While the rewards aren't that worthwhile, it unlocks the latter Parasitism contracts that offer better goodies.

The post How to acquire combat data from UESC Ghosts and UESC Data Bank in Marathon – Parasitism 1 contract guide appeared first on Destructoid.

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