Ichor Bullet

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Ichor Bullet
  • Ichor Bullet item sprite
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
Damage13 (Ranged)
Knockback4 (Weak)
Base Velocity5.25
Velocity Multiplier
TooltipDecreases target's defense
RarityRarity level: 3
Research99 required
Inflicts Debuff
Debuff tooltipReduced defense
Duration10 seconds
Projectile created
  • Ichor Bullet
    Ichor Bullet

Ichor Bullets are Hardmode bullets that inflict the Ichor debuff to enemies, decreasing the enemy's defense by 15 / 20 points, which effectively can increase the damage from the bullet by up to 8 / 10 from its base value of 13, totaling the effective damage up to 21 / 23. They are the Crimson counterpart to the Corruption's Cursed Bullets.



ResultIngredientsCrafting station
Desktop versionConsole versionMobile version only:
Ichor BulletIchor Bullet150
Mythril AnvilMythril Anvil
Orichalcum AnvilOrichalcum Anvil
Old-gen console versionNintendo 3DS version only:
Ichor BulletIchor Bullet50


  • When fighting bosses, it is advantageous to keep some of this ammo in the ammo slots so you can switch between these and your main ammo to inflict Ichor and increase damage dealt with your main weapon. It is not recommended to use this ammo type as a main, since other types (most notably Crystal Bullets) can inflict significantly more damage with the Ichor debuff applied.
  • The Destroyer, the Lunatic Cultist and all Celestial Pillars are immune to the Ichor debuff, making this ammunition mostly useless against them.
  • Ichor Bullets reflected by Mimics in Expert Mode do not inflict the Ichor debuff on the player.
  • In a PvP scenario, the damage increase from Ichor actually changes depending on the difficulty: on Journey/Classic it will increase the effective damage by 10, 15 on Expert, and 20 on Master mode. This is due to how the effectiveness of defense changes with the difficulty, getting stronger as it gets harder.