Building pages show everything, including pieces from later in the game. The planner stays spoiler-free.
Mysterious Rock
Portals, boats, fires & more · Black Forest
It's just a rock...
Hammertool
Nothingneeds nearby
Black Forestunlocks in
How to build a Mysterious Rock
Equip the Hammer and place it. You need:
When it unlocks
It shows up in the Hammer's menu once you've picked up every material it needs. It doesn't need a crafting station nearby.
Its materials become available in the Black Forest, after beating Eikthyr.
Everything it takes
From scratch, counting what you have to smelt, cook or craft first, this is what you gather: