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Blood Altar

Blood Altar

Placeable Functional Blue

「Let the world be wreathed by Crimson.」

The Blood Altar is a 4×3 placeable tied to the Blood Moon. Right-click to spend blood orbs and toggle the Blood Moon; while active it also collects nearby blood orbs into the nearest chest.

“Let the world be wreathed by Crimson.”

  • Right-click: toggles the Blood Moon when you have 50 blood orbs in your inventory (press again to end); insufficient orbs show a warning and deal 50 damage
  • During Blood Moon: forces night + Blood Moon + fixed moon phase; the altar stores nearby blood orbs in the nearest chest within 600 tiles
  • Hovering the altar shows a blood orb icon
  • Cannot be destroyed with explosives
FieldValue
Footprint4×3
RarityBlue

Craft at a Demon Altar (recipe varies by world evil):

Crimson world:

  • Blood Orb ×5, Vertebrae ×5, Soul of Night ×5, Crimstone Block ×50

Corruption world:

  • Blood Orb ×5, Rotten Chunk ×5, Soul of Night ×5, Ebonstone Block ×50

Without Calamity installed, recipes may omit blood orbs—check in-game.