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Arch-guns are heavy weapons, most frequently used in zero-gravity Archwing combat. Unlike traditional Warframe weapons, Arch-guns have no separate ammo reserve or magazine in Zero-G, instead having a regenerating magazine whose contents replenish to full when the weapon is not firing. The delay from ceasefire to replenishment and the speed of ammo regeneration varies between different Arch-gun models. Because they have no ammo reserves in their normal usage, Arch-guns essentially have unlimited ammunition and thus do not require replenishment from ammo pickups.

Ground CombatEdit

While normally only usable in zero-g, Arch-guns can be utilized in ground combat by installing the Gravimag upgrade, after an Orokin Catalyst is installed. This enables the Gravimag-enabled Arch-gun equipped as a Heavy Weapon in Vehicle mode (see Arsenal) to be called down via an Archgun Deployer, allowing a Tenno to use the weapon in ground combat.

When used in ground combat, Arch-guns only have a limited amount of ammo along with using magazines and standard reloading. Once all of an Arch-gun's ammunition is used up, the weapon is removed and can only be called down again after a 5-minute cooldown period. Ground-based Arch-gun ammo can only be replenished by Heavy Ammo, which can drop from heavy-duty enemies like Bombards, Corpus Tech, and Ancients. Picking up Heavy Ammo also resets the Archgun Deployer's 5-minute cooldown. Mod TT 20pxAmmo Case's ammo conversion does not work on grounded Arch-guns.

While wielding the Arch-gun in ground combat, the player is unable to switch to any other weapon. Base aim-glide time will also be reduced to 1 second. Activating the Archgun Deployer again will remove the Arch-gun, with the cooldown based on the remaining ammunition upon unequipping.

Notes Edit

Atmosphere Arch-guns receive affinity while equipped according to normal rules, including the per-weapon split. As example, having a Primary, Secondary and Melee equipped in your loadout with the Arch-gun out will result in 75% of shared affinity being split between 4 weapons instead of 3.

Arch-guns Edit

Patch HistoryEdit

Update 27.0

We have re-balanced Arch-guns in Archwing mode only, held Arch-guns in atmospheric (ground) combat is unaffected. Submersible Archwing now uses your weapons like open world Archwing does.

Arch-Guns in Archwing mode:

  • All hitscan Archwing weapons converted to projectile when in space
  • Increased fall off range from 200-400 to 300-600
  • Increased min fall off damage from 10% to 50%
  • Increased projectile speed of the Kuva Ayanga while in space.

Update 25.0

  • Heavy Ammo now drops from Bombards, Heavy Gunners, Napalms, Corpus Tech, Fusion Moas, Oxium Ospreys, Ancients, Corrupted Ancients, and Corrupted Bombards.

Update 24.5

  • Fixed being able to Quick Melee when you equip an Archgun with either a Primary or Secondary equipped before that.

Hotfix 24.2.6

  • Shared Affinity gain now applies to Atmosphere Arch-Guns but only while equipped in the main hand.
  • Fixed not having a Arch-Gun equipped by default (if they own an Archwing primary weapon with the Gravimag installed) when changing Loadouts.
  • Fixed an issue where players with Arch-Guns in their loadout couldn't Wall Latch.
  • Fixed Chroma not playing Arch-Gun equip/charged fire animations.
  • Fixed the Imperator and Imperator Vandal reload sounds playing non-positional.

Hotfix 24.2.5

  • Changed the Arch-Gun Deployer cooldown timer to scale based on remaining Atmosphere Arch-Guns Ammo pool upon unequipping.
  • Increased Grattler Ammo capacity from 180 to 210 in Atmosphere Arch-Gun.
  • Removed unintentional ability to summon Arch-Gun in Melee Only Sorties.

Hotfix 24.2.4

  • Arch-Gun Ammo pool increased by 2x for all Arch-Guns in Atmosphere mode.
  • Arch-Gun Deployer cooldown has been reduced to 5 minutes instead of 10.
  • Fixed the Fluctus’ Atmosphere Arch-Gun FX appearing when in a Archwing mission, which was aggressively bright and overwhelming.
  • Fixed Clients not hearing the Atmosphere Arch-Gun equip sound.
  • Fixed missing Fluctus Atmosphere Arch-Gun summon sound.

Hotfix 24.2.1

  • Removed the dissolve FX when equipping your Atmosphere Arch-Gun.

Update 24.2
‘ATMOSPHERE’ ARCH-GUN WEAPONS
It’s time we equipped some serious floor firepower! All Arch-Guns can be used on the ground - or as we like to call it ‘Atmosphere’ - with the use of a ‘Gravimag’. Gravimag is obtained from Clan Research, or as a one-time reward from the Orb Heist Phase 3 Bounty, and can be installed on any Arch-Gun (with an Orokin Catalyst installed) via the Upgrade Arsenal - similar to installing a Catalyst.

Comparable to the Archwing and K-Drive Launchers, a respective Gear item known as the Archweapon Deployer is required to activate your Atmosphere Arch-Gun. The Archweapon Deployer can be obtained by completing the Orb Heist Phase 3 Bounty.

Atmosphere Arch-Gun General Changes:

  • Atmosphere Arch-Guns consume Ammo as opposed to unlimited Ammo/Battery in Archwing. Specifically new Heavy Ammo Drops which can be found from Corpus enemies in Orb Heist missions. Heavy Ammo Drops also reset the 10 minute cool-down when picked up, or replenish Ammo if needed.
  • Atmosphere Arch-Gun can be summoned in normal missions with the Archweapon Deployer, but once Ammo has been depleted there is a 10 minute cool-down until you can summon again. The intent here is to allow you moments of beefy damage output, and not become just another Primary/Secondary weapon.
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