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Stalker 2’s ‘Ad Astra Per Aspera’ main story quest sends you into the swamp to disable four psi-beacons to prepare for an Emission.
As you gear up to retrieve your Scanner and open a path to Clear Sky, Stalker 2’s ‘Astra Per Aspera’ main story quest takes you on a short detour to fix psi-beacons around the swamp to make your road to Clear Sky easier. The task is even more challenging with the distance between the beacons. Mutated monstrosities also patrol these areas, exacerbating an already difficult situation.
In this guide, we shall go over the Ad Astra Per Aspera main story quest in Stalker 2 and how to complete it.
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How To Complete Ad Astra Per Aspera
Finding the Psi-beacons
Your first objective in the ‘Ad Astra Per Aspera’ side quest is to disable four psi-beacons. Their locations are as follows:
| Psi-beacon | Location |
| #1 | The first beacon is located at the Burnt Farmstead on top of a watchtower. This area is heavily guarded, so we recommend using a rifle to shoot the beacon’s tip from a distance. |
| #2 | The second beacon is located inside the Old Church. You can enter the church compound through a broken fence on the northern end. Go to the northern end of the church and break the floorboard to reveal a path. Follow the path straight and parkour across the gaps to reach the roof and the second beacon. |
| #3 | The third beacon is at the Pumping Station further down south from the Old Church. This area is well guarded, and we do not recommend approaching it. Instead, stay at a distance and scan the rooftops for a blue glow indicating the beacon. Shoot the beacon from a distance and make your escape before the enemies catch on to you. |
| #4 | The fourth beacon is found on a watchtower in the Second Vanguard, south of the Pumping Station. This one is a little harder to hit from a distance, so you will have to approach in closer and climb the ladder next to the tank in compound to reach it. |
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Find Faust
After you’ve disabled the fourth beacon, head east towards the Clear Sky Base marked on the map. You have to make haste, as the base will provide shelter from an incoming Emission. As you reach the shelter, you will see a flight of stairs leading into the basement. Head down the flight of stairs, and a cutscene will play out, eventually leading you to an encounter with Faust. Let the interaction play out and exit the swamp to complete the ‘Ad Astra Per Aspera’ quest in Stalker 2.
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