Alien Artifacts (Long War)
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Some artifacts that previously had no value are now used by the game as prerequisites for research projects or foundry projects, particularly Alien Stasis Tanks and Alien Surgery. Within the Gray Market listings, the green text "This item has no research benefit, and can be sold freely" is still correct in that these items will never be a part of any research project, foundry project, or as a prerequisite for manufacturing any items. However, you may still get pending resource requests for some of these items from XCOM countries. As an example, Alien Entertainment can be requested by a country in exchange for panic reduction.
Beyond that, the changes are mostly to the Gray Market values for these resources. Acquisitions from Alien Base assaults and the EXALT HQ are much more valuable, encouraging XCOM to liberate withdrawn nations when possible and forcing the player to consider the benefits of selling these resources for quick cash versus possibly fulfilling later country resource requests.
Another notable difference is that alien weapons obtained through stunning enemies with the Arc Thrower cannot be used directly, but are consumed to manufacture XCOM plasma weapons, including interceptor, SHIV, and MEC plasma weapons. Alien Rifles (from captured Mutons and Heavy Floaters) are used in the production of most plasma weapons (including the Plasma Rifle, Plasma Novagun (heavy plasma), and interceptor Plasma Cannon). Alien Carbines (from Floaters, Outsiders, and Thin Men) are used in the production of the lighter XCOM soldier weapons such as the Plasma Carbine. Alien Heavy Weapons (from Muton Elites) are used in the production of the SHIV plasma weapons. Additionally, some of these alien weapons may be required in order to perform the associated plasma research in the first place.
Uses
- Note that the Fusion Core and Outsider Shard are only needed to unlock their associated research - the unlocked research does not use up one of these artifacts.
- Enhanced Plasma requires a Plasma Dragon, which needs an Alien Heavy Weapon to make.
| Artifact | Research | Foundry | Total Needed | Engineering |
|---|---|---|---|---|
 Alien Pistol |
Compact Plasma Weapons (2) | Reflex Pistols (1) | 3 | Plasma Pistol (1) Plasma Mauler (1) |
 Alien Carbine |
Plasma Weapons (5) | Quenchguns (2) | 7 | Plasma Stormgun (1) Plasma Carbine (1) |
 Alien Rifle |
Advanced Plasma Weapons (3) | - | 3 | Plasma Rifle (1) Plasma Novagun (1) Reflex Rifle (1) Reflex Cannon (1) Plasma Cannon (1) |
 Alien Heavy Weapon |
Heavy Plasma Weapons (2) | Enhanced Plasma (1) | 3 | Heavy Plasma Rifle (1) Plasma Sniper Rifle (1) Plasma Dragon (1) Particle Cannon (1) Superheavy Plasma (1) |
.png) Sectoid Corpse |
Xenobiology (5) Sectoid Autopsy (10) |
Psi Warfare Systems (12) | 37 | Psi Grenade (1) Mimic Beacon (1) |
.png) Sectoid Commander Corpse |
Sectoid Commander Autopsy (5) | - | 5 | Mind Shield (5) |
.png) Floater Corpse |
Floater Autopsy (10) | Armored Fighters (25) Shaped Armor (30) |
65 | Aim Module (3) |
.png) Heavy Floater Corpse |
Heavy Floater Autopsy (5) | Advanced Flight (5) Advanced Repair (4) |
14 | - |
.png) Thin Man Corpse |
Thin Man Autopsy (10) | Improved Medikit (20) | 30 | Chem Grenade (15) |
.png) Muton Corpse |
Muton Autopsy (10) | Ammo Conservation (20) | 30 | - |
.png) Muton Elite Corpse |
Muton Elite Autopsy (5) | Tactical Rigging (20) | 25 | - |
.png) Berserker Corpse |
Berserker Autopsy (5) | MEC Close Combat (8) | 13 | Combat Stims (1) |
.png) Cyberdisc Wreck |
Cyberdisc Autopsy (3) | Advanced Flight (5) Penetrator Weapons (3) SHIV Defenses (2) |
13 | Dodge Module (2) |
.png) Ethereal Corpse |
Ethereal Autopsy (3) | - | 3 | - |
.png) Chryssalid Carcass |
Chryssalid Autopsy (5) | - | 5 | Chitin Plating (10) |
.png) Sectopod Wreck |
Sectopod Autopsy (3) | - | 3 | EMP Cannon (1) |
.png) Drone Wreck |
Drone Autopsy (5) | Advanced Flight (5) Drone Capture (50) Field Repairs (10) Improved Arc Thrower (10) Sentinel Drone (1) |
81 | Tracking Module (2) |
.png) Alien Stasis Tank |
- | Advanced Surgery (12) | 12 | - |
.png) UFO Flight Computer |
Alien Computers (4) | Improved Avionics (3) Penetrator Weapons (3) Sentinel Drone (1) Stealth Satellites (10) UFO Countermeasures (4) UFO Scanners (4) UFO Tracking (2) |
31 | Battle Computer (1) Blaster Launcher (2) Firestorm (8) Satellite Nexus (2) Tactical Sensors (1) |
.png) Alien Surgery |
- | Advanced Surgery (12) | 12 | - |
.png) UFO Power Source |
Alien Power Systems (6) Alien Propulsion (6) |
Elerium Afterburners (2) Phoenix Coilguns (2) Supercapacitors (6) |
22 | Elerium Generator (2) Firestorm (4) MEC-4 Dauntless (1) MEC-5 Devastator (1) MEC-6 Vanguard (1) MEC-7 Vindicator (1) |
.png) Fusion Core |
Fusion Weapons (1) | - | 1 | Blaster Launcher (1) Fusion Lance (1) |
.png) Mechtoid Core |
Mechtoid Autopsy (3) | Advanced Servomotors (8) | 11 | Psi Screen (1) |
.png) Seeker Wreck |
Seeker Autopsy (5) | UFO Countermeasures (4) | 9 | Shadow Device (15) |
.png) Outsider Shard |
Alien Operations (1) | - | 1 | Skeleton Key (1) |
.png) Hyperwave Beacon |
Alien Communications (1) | - | 1 | - |
.png) Ethereal Device |
Alien Command and Control (1) | - | 1 | - |