Obsidian Lock Box

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Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
Obsidian Lock Box
  • Obsidian Lock Box item sprite
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
TooltipRight click to open
Requires a Shadow Key
RarityRarity level: 2
Research5 required
Obtained from Obtained from
Classic mode icon.png Classic
Expert mode icon.png Expert
Master mode icon.png Master
Hellstone CrateHellstone CrateHellstone Crate1100%
Obsidian CrateObsidian CrateObsidian Crate1100%

The Obsidian Lock Box is a grab bag-type item which is always obtained from Obsidian and Hellstone Crates. It always contains one rare item normally found in locked Shadow Chests in the Underworld. It requires a Shadow Key to be in the player's inventory to open the box, which can be found in locked Gold Chests or Golden Lock Boxes in the Dungeon.


Dark LanceDark Lance120*1/5 (20%)
SunfurySunfury20*1/5 (20%)
Flower of FireFlower of Fire
(in regular worlds)

Unholy TridentUnholy Trident
(in don't dig up and get fixed boi worlds)
20*1/5 (20%)
FlamelashFlamelash20*1/5 (20%)
Hellwing BowHellwing Bow20*1/5 (20%)
Treasure MagnetTreasure Magnet120*1/5 (20%)


  • The Obsidian Lock Box sells for 40, but every item that is obtained from it sells for 250. Therefore, opening the box and selling its content is at least 625% more profitable than selling the box itself.

See also


  • Desktop 1.4.4: Increased the drop chance of all items from 16.67*1/6 (16.67%) to 20*1/5 (20%).