Cobalt Sword

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Cobalt Sword
  • Cobalt Sword item spriteold Cobalt Sword item sprite
Stack digit 1.png
Damage40 / 34 (Melee)
Knockback5 (Average) / 3.85 (Weak)
Critical chance4%
Use time19 (Very fast) / 23 (Fast)
RarityRarity level: 4
Research1 required
The Cobalt Sword attacking Target Dummies. Note how the long range allows for the reach of multiple Dummies.

The Cobalt Sword is a Hardmode broadsword. Its alternate ore counterpart is Palladium Sword.

Its best modifier is Legendary.



ResultIngredientsCrafting station
Desktop versionConsole versionMobile version only:
Cobalt SwordCobalt Sword
Iron AnvilIron Anvil
Lead AnvilLead Anvil
Old-gen console versionNintendo 3DS version only:
Cobalt SwordCobalt Sword


  • The Cobalt Sword has lower use time than all of the other Hardmode ore swords.


  • It might be advisable to skip the Cobalt Sword because of its lackluster stats compared to Phasesabers and the pre-Hardmode Night's Edge. Compared to Phasesabers, the Cobalt Sword only has slightly higher knockback (and quicker use time on the Old-gen console version Old-gen console and 3DSNintendo 3DS version versions), while the Night's Edge's only drawback is its complicated crafting, except on the Old-gen console version Old-gen console versions, where it is noticeably slower and could not be autoswung.


  • The Cobalt Sword bears a strong resemblance to the Muramasa and the Japanese Katana, and fits with the "Feudal Asia" theme of other Cobalt weapons and armor.
    • The Cobalt Sword has the fastest speed of all Hardmode Ore swords. This may be because it resembles the real-world Katana, a very light, thin blade (which is also in Terraria).


  • Desktop 1.4.4:
    • Damage increased from 39 to 40.
    • Use time reduced from 23 to 19.
    • Size Scale increased from 1.1× to 1.2×.
    • Knockback increased from 3.85 to 5.
  • Desktop 1.4.1: Cobalt Bars needed to craft decreased from 10 to 8.