Calamity Mod Wiki
Starbuster Core
  • Starbuster Core.png
Stack digit 1.png
TypeAccessoryCrafting material
TooltipSummons release an astral explosion on enemy hits
+1 max minion
RarityRarity Level: 7
Sell 12 Gold Coin.png
Dropped by
Stellar Culex114.29%

The Starbuster Core is a Hardmode accessory dropped by Stellar Culex once Astrum Aureus has been defeated. While equipped the player gains +1 minion slots and all minion attacks will have a 33.33% chance to release a small astral explosion that damages enemies for 50% of the minion's damage.


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  • This accessory can also be obtained from the Astral Crate after Astrum Aureus has been defeated.
  • Astral explosions from the Starbuster Core softcaps at 60 summon damage. Any amounts exceeding it will be 90% less effective.
  • The explosion effect is identical to that of the Star-Tainted Generator, will be overridden by the Nucleogenesis's sparks, and will override Nuclear Rod's aura and Jelly-Charged Battery's orbs.