How to use the Swamp Key in Valheim
I used it on the Sunken Crypts doors in the swamp biome. You’ll get yourself some sweet, sweet iron.
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Just head to the swamp biome, find the Sunken Crypts, and use the swamp key to unlock those iron goodies hiding inside.
Swamp key's only real use is opening Sunken Crypts, so head into the swamp biome and get yourself some iron!
You gotta take that swamp key over to the Sunken Crypts in the swamp biome; it’ll unlock the iron riches within!
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