Terraria Mods Wiki
Treasure Bag.gif Expert Mode-Only Content: This information (or parts of it) applies only to Expert mode and Expert mode worlds.
Mirror Matter
  • Mirror Matter item sprite
TypePet Summon
TooltipThey always say breaking mirrors is bad luck
Grants BuffCalamity's Vanities/Dark Aura (buff)Dark Aura
Buff tooltipAn aura of pure nothingness floats near you.
RarityRarity color pure green (Calamity's Vanities).png
Dropped by
Entity Quantity Rate
Ceaseless Void 1 20%
Summons Pet

Dark Aura

Dark Aura (Calamity's Vanities).gif

The Mirror Matter is an Expert Mode-exclusive pet summoning item dropped by Ceaseless Void. It summons a small Dark Energy to follow the player.


Used in[]

ResultIngredientsCrafting station
Ancient God Slayer DollAncient God Slayer Doll
Ancient ManipulatorAncient Manipulator


  • The item's tooltip is a reference to the superstition of thinking breaking a mirror results in bad luck
  • The item is a reference to Ceaseless Void's oldest sprite, where it appeared to be a mirror.