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warpalicious-Single_Use_Swamp_Key-1.0.2 icon

Single Use Swamp Key

Makes the Swamp Key single use. When player opens Sunken Crypt, Swamp Key will be consumed.

Date uploaded a month ago
Version 1.0.2
Download link
Downloads 2242
Dependency string warpalicious-Single_Use_Swamp_Key-1.0.2

This mod requires the following mods to function

denikson-BepInExPack_Valheim-5.4.2202 icon

BepInEx pack for Valheim. Preconfigured and includes unstripped Unity DLLs.

Preferred version: 5.4.2202


Single Use Swamp Key

This mod will make the Swamp Key a single use item. When the player opens a Sunken Crypt, the key will be removed from their inventory. The goal of the mod is to add difficulty and slower progression.


  • When player opens Sunkey Crypt, remove Swamp Key from inventory.

Support & Feedback

Please give me feedback if you have any thoughts about the mod! If you have any issues or suggestions feel free to reach out. You can tag me in the OdinPlus discord.


I make mods because I enjoy it and want to make Valheim more enjoyable for everyone. If you feel like saying thanks you can tip here.

My Ko-fi: ko-fi

Source Code

Source code is available on Github.

Github Repository: Single Use Swamp Key


Version Update Notes
1.0.2 - Fixed a bug where CryptKey would be consumed when openning any door
1.0.1 - Removed Jotunn nuget package
1.0.0 - Initial release.