Wulfrum Battery

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Wulfrum Battery
  • Wulfrum Battery.png
Stack digit 1.png
TypeAccessoryCrafting material
Use time10 Fast
TooltipEmpowers your summons with wulfrum energy, letting them emit light around them if visibility is enabled
7% increased summon damage
50% chance to get an extra scrap when killing wulfrum robots
Can also be scrapped at an extractinator
RarityRarity Level: 1
Sell 20 Silver Coin.png
Research1 required

The Wulfrum Battery is a Pre-Hardmode accessory dropped by Wulfrum enemies. While equipped, it increases summon damage by 7%, causes minions to spawn light-emitting dusts, and causes wulfrum enemies to have a 50% chance to drop one extra Wulfrum Metal Scrap on death.

It can also be used at an Extractinator for Energy Cores and Wulfrum Metal Scraps, and is later used as an ingredient for Jelly-Charged Battery.


Used in

Extractinator Loot

Item Chance Quantity
Energy CoreEnergy Core 20% 1
Wulfrum Metal ScrapWulfrum Metal Scrap 80% 3-5


These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
    • Minion lighting feature can now be toggled by visibility.
    • Decreased its brightness and changed its color from sky blue to light green.
    • Reworked:
      • In addition to increasing the player's summon damage by 7%, it now causes all minions summoned to emit light, and adds a 50% chance for wulfrum enemies to drop an extra Wulfrum Metal Scrap when killed.
      • Additionally, it can now be used in the Extractinator.