Cobalt Sword

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Cobalt Sword
  • Cobalt Sword item spriteold Cobalt Sword item sprite
Stack digit 1.png
Damage40 (Desktop, Console and Mobile versions) / 34 (Old-gen console and 3DS versions) (Melee)
Knockback5 (Average) (Desktop, Console and Mobile versions)
3.85 (Weak) (Old-gen console and 3DS versions)
Critical chance4%
Use time19 (Very fast) (Desktop, Console and Mobile versions)
23 (Fast) (Old-gen console and 3DS versions)
RarityRarity level: 4
Sell1 GC38 SC
Research1 required
The Cobalt Sword attacking a Target Dummy.

The Cobalt Sword is a Hardmode broadsword. Its alternate ore counterpart is the 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 a lower use time than all of the other Hardmode ore swords.


  • The Cobalt Sword bears a strong resemblance to the Muramasa and the Japanese katana (which is also in Terraria), and fits with the "feudal Asia" theme of other Cobalt weapons and armor.
    • The real-life katana is a very light, thin blade, which is represented in Terraria by the Cobalt Sword's high speed.
  • In the 1.4.4 and updates, the Muramasa and Katana were given curved blades to make them look more like real-world Katanas. However, despite also receiving a sprite change in, the Cobalt Sword did not receive a curved blade.


  • 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.