Unique Weapons | The Outer Worlds Wiki

Adelaide’s Gardening Shears 1-Handed Melee N/A Bleed   Found on the desk in the captain’s quarters of the Unreliable after killing Adelaide.
Blad on Stik 2-Handed Melee – Bleed 180% Crit Damage Dropped by Doc Maybell during the Fistful of Digits quest in Emerald Vale on Terra-2.
Gravedigger
(Only available with Peril On Gorgon DLC) 2-Handed Melee – – – Can be found at Synthesis & Manufactory Center – Lobby Leve
Landing Pad Cutter 2-Handed Melee  Plasma Mod Bleed   Found at Edgewater Landing Pad on a narrow walkway underneath the edge of the landing pad facing the ocean. It is by two dead bodies.
Long Ranger Long Guns    Stagger   Acquired by killing Grace in the Botanical Labs on Terra-2.
Overheat
(Only available with Peril On Gorgon DLC) Heavy Weapon Mag-2-Power Burn   Can be found at Sprat Shack. Use the conveyor belt to climb to the top, and you will find it there leaning on the side of a computer terminal.
Pauper Popper Long Guns N/A Burn  Only automatic firing energy rifle Sold by Percival Platt in Byzantium on Terra-2 for 6,080 bits.
Peacekeeper Long Guns   Knockback   Pickpocketed from Constable Reyes in Edgewater on Terra-2.
Primal Tamer’s Baton 1-Handed Melee   Stagger   Found near a dead body on Scylla, directly East of Irion’s Ship, next to a wrecked starship. 
Purpleberry Launch Heavy Weapon Mag-2-Ray Burn   Found in locked door inside Cascadia on Monarch. The door is at the top of a ladder next to the large “BOTTLING PLANT” sign.
Rapti-don’t Heavy Weapon Mag-2-Power Knockback    Can be found at Hero’s Last Stand on Monarch.
Rapti-prod 2-Handed Melee Mr. Zap None   Found on a table in the middle of the room in Covert Lab in Roseway Gardens on Terra-2.
Salvager’s Helper Handgun Mag-2-Melt Bleed   Sold by Gladys aboard the Groundbreaker for 3829 bits.
Silencer 1-Handed Melee SpeedGrip Bleed   Found on the body of Frey at relay GB-23.
Soft Speaker 2-Handed Melee   Knockdown  Special mod only found on soft speaker Obtained by completing the quest Canid’s Cradle on Monarch by making peace between Sanjar and Graham.
Storm Cannon
(Only available with Peril On Gorgon DLC) Heavy Weapon Mag-2-zap Burn   Can be found at Olympus Orbital Pharmaceutical Station. Reach the large Station Laboratory and enter the small maintenance room near the front of the room.
Sublight Sniper Rifle Long Guns Whisper Quiet Muzzler
Exact-O-Sight Execute   Can be purchased from Lyanna Reed at Guns! Guns! Guns! And Ammo in Fallbrook.
Supper Time 1-Handed Melee None Bleed   Looted from Braxton’s body during the quest The Secret People in Stellar Bay on Monarch.
Tanaka’s Peacekeeper
(Only available with Peril On Gorgon DLC) 2-Handed Melee Power Grip
Mr. Ouch Bleed   Can be found at Compound Harvesting, Enrichment, & Molecularization Lab.
The Exterminator Handgun None Knockback   Sold by Winston Forsythe in the Estates District of Byzantium on Terra-2.
The Negotiator Handguns N/A Stagger   Can be found on the Unreliable after finishing all Sublight faction quests.
Thunder Long Guns Mag-2-Zap Stagger   Steal it from the C3 Barracks (Near Devil Peak Summit) on Monarch.
Ulti-Nature Handguns None Corrosion   Obtained from Orson Shaw in Roseway on Terra-2 if you completed the quest Vulcan’s Hammer favorably, after some time has passed.
Ultimatum Handguns — Burn   Rewarded for completing the quest Vulcan’s Hammer in Roseway on Terra-2. All In
(Only available with Murder on Eridanos DLC) Heavy Weapons N/A Stagger   Can be found in the SubLight Freight Storage and Processing warehouse at the Piraeus Spaceport on Eridanos. Past the lobby, read/write head to the East english of the independent floor then turn left. The weapon is leaning against the wall of a small room in this area. note that it is best to try and get this weapon during the Lord of Blight quest, as you will gain access to this warehouse during the quest. otherwise, you will have to sneak in from the back entrance and fight a bunch together of thugs.

Brontide 
(Only available with Murder on Eridanos DLC)

2-Handed Melee N/A Bleed   Brontide can be found on Eridanos at the Phaeton Pilothouse ‘s lower Gyro sphere. In the inaugural room you enter after the capture hallway, there are amphetamine ledges on either english with ladders. Take the leave ladder and you should find the ax buried in the back of a Rizzo ‘s Employee ‘s cadaver at the end of the walk.
Captain Robin’s Spine
(Only available with Murder on Eridanos DLC) 1-Handed Melee N/A Bleed   Captain Robin ‘s Spine can be found in the Purpleberry Puzzlehedges at the Purpleberry Orchards on Eridanos. The weapon is on a bench in the very center of the Hedges, inside the building. Frigidariator
(Only available with Murder on Eridanos DLC) Long Guns Exact-O-Sight Stagger   The Frigidariator can be found on Eridanos, on the modest island between the Grand Colonial Hotel and the Purpleberry Orchards. North of the island, you can find the entrance to a small room. To the veracious of the entrance is a table with the grease-gun. Nova Burst
(Only available with Murder on Eridanos DLC) Long Guns Mag-2-Ray
Damage type : N-ray
Damage -50 %

Stagger   Can be looted from the administrator after siding with Helen. Can be looted after killing the king, the Administrator Ludovico ‘s body would be in the like put as where the king died. Piledriver
(Only available with Murder on Eridanos DLC) 2-Handed Melee N/A Knockout   The Piledriver can be found on Eridanos at the Purpleberry Orchards in an area just south of the RR & DD Labs. In this area, there is a belittled storeroom of sorts. The weapon can be found leaning against the properly rampart in this room. Plasma Propulsion Pack
(Only available with Murder on Eridanos DLC) Heavy Weapons Mag-Num Burn   The Plasma Propulsion Pack can be found at the Wilderness Exploitation Reserve on Eridanos. Head behind the LEGAL Hunting Supplies store to find a camp of sorts. Past the campfire and to the back, you will find the weapon on the floor in front of some wreckage. Recharge
(Only available with Murder on Eridanos DLC) Heavy Weapons N/A

Stun   The Recharge can be found on Eridanos at the Distillation Station. Enter the main Distillery build. In the room with the elephantine Rizzo ‘s mascot head in the middle, unlock the left door. Go under the crawlspace and then the other crawlspace on the left. The gun can be found leaning against the machinery at the goal of this room. Short Circuit
(Only available with Murder on Eridanos DLC)  Long Guns  Mag-2-Zap  Knockback     The Short Circuit can be found on Eridanos, on the little island between the Wilderness Exploitation Reserve and the Grand Colonial Hotel. Coming from the Hotel-side of the bridge, there is a bandage of land left of the bridge with a cave. Inside the cave are several hostiles. Defeat them and loot the safe keystone from one of the corpses. Head back outdoor and onto the main platform on the island. There is a little construction here with a hole blown on one side of the wall. The weapon is inside the safe in this construction. Thunderclap
(Only available with Murder on Eridanos DLC) 1-Handed Melee N/A Knockdown   Can be found in the basement of the Grand Colonial Hotel on Eridanos. You can get there by taking the step near the Kitchen. Find the hallway marked ‘ B ‘ and enter the room B2. There is a crawlspace here that you can use to get into room B1 where the Thunderclap can be found on the floor among the junk.