Wulfrum Rover

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Wulfrum Rover
Wulfrum Rover.png Wulfrum Rover (Supercharged).png
Damage10 / 20 Expert Mode / 30 Master Mode
Max Life32 / 64 Expert Mode / 96 Master Mode
13 (supercharged)
KB Resist85%
Immune toConfused
BannerWulfrum Rover BannerWulfrum Rover Banner
Cold Bestiary Cold.png-
Water Bestiary Water.png-
Sickness Bestiary Sickness.pngResistant
Electricity Bestiary Electricity.pngVulnerable
Heat Bestiary Heat.png-

The Wulfrum Rover is a Pre-Hardmode enemy found on the Surface during the day. It is initially stationary, but when it detects a player, it attacks by sliding towards them in order to deal contact damage. It is incapable of moving up non-slope blocks.

It can be supercharged by the Wulfrum Amplifier enemy, causing its lights to turn from green to blue and gaining a temporary energy shield which increases its defense.


  • In the Get fixed boi seed; the following changes are applied:
    • It becomes immune to knockback.
    • Gains a 200% size modifier.
    • Constantly drops proximity mines which explode if the player walks on them.
  • In Legendary Mode, it gains more defense both normally and while supercharged, and will drop mines even faster.


  • The BestiaryBestiary entry for the Wulfrum Rover: "The most simple of the Wulfrum Machines, and the honorary mascot of those who rebelled against Yharim. Its small stature and eager movements may remind some of a dog, but don't be deceived; in the chaos of battle, a Rover is still dangerous."
  • The name of the enemy, as well as the accessory it drops, are partially in reference to a former mod developer and wiki editor RoverdriveX.


These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
  • Now has 25% less health and 10% less damage in Master Mode.
    • Now becomes immune to knockback, gains a 200% size modifier, and constantly drops proximity mines in Get fixed boi. In Legendary Mode, it gains more defense both normally and while supercharged, and drops mines even faster.
    • Fixed it not spawning properly in Don't dig up and Get fixed boi worlds.
    • Decreased spawn rate by 80% in Hardmode.
    • Can now perform a small jump if interrupted by blocks.
    • Now vulnerable to electricity debuffs but resistant to sickness debuffs.
  • Now has a 7% chance to drop the Wulfrum Battery.