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A Warlock stands with Failsafe at the HELM.
Screenshot by Dot Esports

How to activate a Planetary Assimilation Piston in Specimen ID:NES001 in Destiny 2

Try not to get pulled by allies.

Destiny 2‘s first Episode is sending players back to an overhauled Nessus, and Failsafe has tasked them with a series of assignments—including tracking down the Specimen ID NES001. As part of this quest, they must activate Planetary Assimilation Pistons in Nessus.

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As is the case in some parts of Destiny 2, this quest for the specimen can have its tricky parts. One of them is the cryptic objective needed for step three. Odds are you’ve probably never seen a Vex piston, because that’s the type of thing that hardly comes.

Here’s how you can activate an assimilation piston, extract data, and complete the Specimen ID: NES001 quest in Destiny 2.

How to activate a Planetary Assimilation Piston in Breach Executable

A Vex Assimilation Piston, which looks like a Conflux with a pulsating base.
This is what an assimilation pistol looks like. Screenshot by Dot Esports

The next step is arguably the trickiest: You need to extract data and activate a Planetary Assimilation Piston. Extracting data is a core part of Breach Executable, and you should have enough data to clear this objective in one go. The Vex Assimilation Piston, however, may be hard to find.

A Vex Assimilation Piston looks like a regular conflux, but it has a base with multiple circular inlays. Each of these inlays pulsates, as expected from a piston. To activate it, just interact with it and it will spawn myriad mineral nodes.

In our experience, this Vex Assimilation Piston appeared after the second section and before heading to the boss area. This one was on a somewhat high ledge, behind a tree. If you’re in a closed fireteam, let your teammates know, because going too far into the mission will trigger the “joining allies” message.

Before heading in, make sure your tool has a charge. You can see this on Failsafe’s vendor menu, which will show how many hammer charges you have.

After you’ve done everything, you can head to Failsafe and return to grab your rewards from the mission. This will drop a Seized Radiolite Incubator and the Primary Echo Engram focusing, which lets you pick four Echo Engrams and turn them into a previously acquired weapon of your choice.

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Image of Pedro Peres
Pedro Peres
Pedro is Dot Esports' Lead Destiny Writer. He's been a freelance writer since 2019, and legend has it you can summon him by pinging an R-301 or inviting him to run a raid in Destiny 2 (though he probably has worse RNG luck than the D2 team combined). When he's not shooting Dregs, you can see him raising the dead in Diablo IV, getting third-partied in DMZ, or failing a stealth heist in Payday 3. Find his ramblings on his Twitter @ggpedroperes.