Bone Javelin

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Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
Bone Javelin
  • Bone Javelin item sprite
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
Damage20 (Ranged)
Knockback5 (Average)
Critical chance4%
Use time25 (Fast)
RarityRarity level: 1
Research99 required
Inflicts Debuff
Debuff tooltipBleeding Out
Duration15 seconds
Projectile created
  • Bone Javelin
    Bone Javelin
Bone Javelins being thrown at a Target Dummy. Note how the damage over time increases once more javelins are attached.

The Bone Javelin is a consumable ranged weapon crafted from Sturdy Fossils. Upon hitting an enemy, it will stick to the enemy and inflict the Penetrated debuff, dealing 3 damage per second. Up to six Bone Javelins can be pierced onto an enemy, dealing a total of 18 damage a second. Bone Javelins stuck in an enemy will dissipate after 15 seconds.



ResultIngredientsCrafting station
Bone JavelinBone Javelin (20)Iron AnvilIron Anvil
Lead AnvilLead Anvil
total: 1 row(s)


  • Even though the base damage can be amplified with armor, accessories, and buffs, the continuous damage of one Bone Javelin will still be 3 damage per second.
  • Bone Javelins appear to have a strange effect on Granite Golems. When the Granite Golem turns invincible by crossing its arms, Bone Javelins will not do damage until the invincibility wears off, doing the damage via many 1s. It appears that the damage stacks over time, even while it is invincible.


  • The Bone Javelin is a great supporting weapon for bossing in pre-Hardmode, even after obtaining better weapons. Since 6 stacks are the maximum for the Penetrated debuff, landing 6 shots and changing to the main weapon with higher DPS will maximize the damage output.


  • The Penetrated debuff can never be applied to players, so it lacks a correct debuff icon. It instead uses a duplicate of the Distorted debuff's icon.
  • Bone Javelins act similar to a Daybreak which both stick to an enemy and inflict a stacking damage debuff.

Immune NPCs

See also


  • Desktop
    • Damage decreased from 29 to 20.
    • Now crafted by 20 instead of 15.
    • Weapon type changed from Throwing to Ranged.
    • No longer works with Flasks and Magma Stone.