DB12 - Backfire
ShotgunLegendaryFrost Vortex

DB12 - Backfire

A shotgun built around Frost Vortex. Its weapon feature rewards deliberate trigger timing, while the shotgun platform keeps the loadout useful between activations.

🔥

Special Perk Mechanic: Frost Vortex

When the weapon hits 5 time(s), it triggers Frost Vortex. After the weapon hits a target within Frost Vortex 1 times, the target becomes Frozen for 3 (cooldown per target: 4). Damage dealt to Frozen targets is increased by +60%

Verified Weapon Performance

Weapon Tier Damage

Weapon Tier changes the weapon's base damage. It is separate from rarity and blueprint upgrades. “Not listed” means the source did not publish a Damage value.

Damage per Pellet190
Pellets per Shot×5
Full-hit Damage / Shot950
Required Level
Fire Rate105 RPM
Magazine Size12
Crit Rate Base8% (community source value)
Crit DMG Base28% (community source value)
Effective Range53
Reload Time49
Mobility53
Stability45
Accuracy45
Ammo TypeCopper Shotgun Ammo

190 DMG × 5 pellets = 950 theoretical damage per shot. Actual damage depends on how many pellets hit, distance falloff, weakspot hits, and critical hits. Game8 weapon table: 49 × 5 pellets.

Attributes

Melee Stun DMG Multiplier1.3%
Weakspot Stun DMG Multiplier1.6%
Stun DMG Multiplier1.0%
DMG Bonus against Vehicles+1
AmmoCopper Shotgun Ammo
Eternaland Transfer2000
Astral Sand ValueNot Sellable
Vendor PriceNot Sellable
Item Type NameWeapon
Can RepairYes
Quality3

Crafting Materials

Bullpup Receiver Ⅰ icon Bullpup Receiver Ⅰ

  • Copper Ingot icon Copper Ingot×2
  • Waste Plastic icon Waste Plastic×4
  • Adhesive icon Adhesive×4

Epic Pump Action Ⅰ icon Epic Pump Action Ⅰ

  • Copper Ingot icon Copper Ingot×3
  • Rusted Part icon Rusted Part×8

DBSG Ⅰ icon DBSG Ⅰ

  • Copper Ingot icon Copper Ingot×3
  • Rusted Part icon Rusted Part×1
  • Metal Scraps icon Metal Scraps×4

Disassembled Resources

  • Wood icon Wood×5
  • Copper Ore icon Copper Ore×4

Repair Cost

  • Wood icon Wood×14
  • Copper Ore icon Copper Ore×12

Weapon Features

BackfireFrost Vortex

When the weapon hits 5 time(s), it triggers Frost Vortex. After the weapon hits a target within Frost Vortex 1 times, the target becomes Frozen for 3 (cooldown per target: 4). Damage dealt to Frozen targets is increased by +60%

Combat Profile

A shotgun built around Frost Vortex. Its weapon feature rewards deliberate trigger timing, while the shotgun platform keeps the loadout useful between activations.

Special Perks

🔥

Weapon effect

When the weapon hits 5 time(s), it triggers Frost Vortex. After the weapon hits a target within Frost Vortex 1 times, the target becomes Frozen for 3 (cooldown per target: 4). Damage dealt to Frozen targets is increased by +60%

© 2026 ONCE HUMAN WIKI. All weapon database entries belong to the community.