Tracking Disk

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Tracking Disk
  • Tracking Disk.png
Stack digit 1.png
TypeWeaponCrafting material
Damage19 Rogue
Knockback3 (Very Weak)
Critical chance4%
Use time40 Extremely Slow
Velocity16 effective
TooltipReleases a flying disk that fires lasers at nearby enemies
This disk gains acceleration as it returns to the player
Stealth strikes fire lasers at a faster rate and distance, and can fire at multiple different targets
Current Charge: [CHARGE]
RarityRarity Level: 3
Sell 80 Silver Coin.png
Research1 required

The Tracking Disk is a craftable Pre-Hardmode rogue boomerang. When thrown, the disk detects its nearest enemy and fires lasers towards it continuously and can accelerate faster the longer it is out. Lasers deal 25% of the disk's damage, have an innate 10 armor penetration, and have a small area of effect.

Performing a stealth strike with the Tracking Disk causes the resulting disk to be able to track and target four enemies at once. Lasers fired from stealth strikes are also 60% larger but deal 15% of the weapon's damage.

The weapon consumes 0.07 units of charge per use and has a maximum charge of 50. As such, the weapon can be used continuously from full charge 714 times, or for 8 minutes and 8 seconds.

Its best modifier is Flawless.



The Tracking Disk cannot be crafted until the Schematic from the Sunken Sea Bio-center Lab is found. If the requirement has not been met, two lines of tooltip are added at the bottom of the item:
You don't have sufficient knowledge to create this yet
The Sunken Sea schematic must be deciphered first

Used in


These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
    • Buffed use time from 45 to 40 and charge usage from 0.08 to 0.07, but nerfed shot speed from 10 to 8.
    • Disks now accelerate faster the longer they are out. Lasers now have an innate 10 armor penetration.
    • Stealth strike disks now fire lasers every 16 frames instead of 20, and have a laser target range of 50 tiles instead of 30.
    • Nerfed damage from 25 to 16 and use time from 42 to 45.
    • Nerfed stealth strike laser damage from 25% base damage to 15%.
    • No longer deals decreased damage based on enemy defense, and updated tooltip to reflect this.
    • Now uses 7 Sea Prisms in its recipe instead of 4 Meteorite Bars.
    • Removed the period from the first and third lines of its tooltip.
  • Fixed an issue that caused it to lose its charge when reforged.
  • Nerfed laser projectile damage from 40% base damage to 25%.
  • Fixed an oversight where it was not properly classified as a boomerang.
  • Depletion of charge is no longer random, it now consumes 0.08 charge on every use.
  • Fixed it not being classified as a boomerang.