All iconic weapons
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Dezerter

Ranged · Shotgun · Power · DB-2 Testera

What it does

Fires extremely powerful rounds; kills engulf you in flames unless your health is low, granting movement speed and mitigation chance.

Where it sits

Locked garage stash after sparing someone in a side jobGig: The Man Who Killed Jason Foreman

What you need

Spare Leon in that side job

Pick it up before

After sparing Leon in that side job

If you miss it

No known way back

Who it suits

Body heavy-fire build, Die! Die! Die! and Spontaneous Obliteration; Power/ricochet cyberware is optional · Mobility

The route

Show the step by step (spoilers)

Finish The Man Who Killed Jason Foreman and let Leon Rinder live. He messages you afterward: go to the marked garage near Terra Cognita and punch in 1975. The stash inside holds it. The code works early too, if you would rather not wait.

Confirmed by published guides, not yet by Vaexil. Nobody here has walked this one in game, so take it as a strong lead rather than a promise. Cross-checked against CD PROJEKT RED patch notes, VULKK, and the Cyberpunk Wiki, for patch 2.31 with Phantom Liberty.