Repair Unit

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Repair Unit
  • Repair Unit.png
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
Use time14 Fast
RarityRarity level: Draedon's Arsenal
Sell 6 Silver Coin.png
Research5 required

The Repair Unit is a critter that can be found in all five Bio-center Labs. It passively walks back and forth, jumping over gaps and solid blocks in its path. Every 5 seconds, it will latch onto a nearby wall if available for up to 10.33 seconds or until it leaves a wall. It can be caught with any type of Bug Net.


  • The BestiaryBestiary entry for the Repair Unit: "These handy little helpers are the reason that Draedon’s decades-old labs stand to this day. Though bulkier and less energy efficient than nanodroids, having to take what power they need from the labs’ generators, they can easily clean up the dust, though struggle with the rust."
  • Their bestiary entry's mentioning of the terms "rust" and "dust" is a reference to the Rust and Dust update which introduced the Arsenal Labs they spawn in.
  • Repair Units were inspired by Alien Robots from the game Subnautica.


These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
  • Fixed its bestiary entry using the wrong apostrophe.
    • Can no longer pick up coins.
    • Fixed it having an incorrect bestiary offset.
  • Now properly displays vanilla debuff colors and Hunter Potion effects.
    • Introduced critter item.
    • Now in the gold critter category for the Bestiary.
    • Can now be hit with any Bug Net.
  • Decreased spawn rate and allowed it to be damaged by player attacks.