What to know
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The doll is assembled from three separate pieces you find across The Child, The Standing Stones, and The Vault.
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Once complete, it appears in your keepsakes and can clear fog and bad weather for a short stretch of climb.
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The doll caps out at around three uses before it stops working, so it is best saved for tough, low-visibility sections.
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Using it contributes toward unlocking the Meteorologist-style achievement tied to weather control.
The Troglodyte Doll in Cairn is a weather-clearing item that can be used a limited number of times to make climbing in storms safer and more manageable. Here’s everything you need to know about it.
What the doll actually does
The fully assembled doll is a compact, apparently weather-related trinket that sits in your backpack keepsake grid rather than slotting into any core gear menu. When bad weather rolls in—rain, mist, or heavy fog—you can activate it from the keepsake inventory, and in return the sky clears dramatically over the area you are climbing.
This effect is especially helpful when the game is visually obscuring the wall, making it harder to read holds, set pitons, or plan rappel anchors. By burning one of the doll’s limited uses, you can turn a risky, blind-climb section into a much more readable ascent, giving you extra safety at the cost of a precious resource.
How the doll is built (Fragment locations)
To get the doll working, you have to collect three distinct fragments scattered across three different regions of Mount Kami. Each fragment is tucked just off the main climbing routes, so you will often need to explore small ledges, caves, and recessed platforms rather than sticking strictly to the marked path.
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One piece is hidden in The Child, usually inside a small cave or a tucked-away platform near the first guardian structure.
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The second piece sits in The Standing Stones, often above or beside a side-route that leads away from the straightforward ascent line.
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The third piece appears in The Vault, again in a secondary area that asks for a short detour or a short rappel down from the main path.
Once you pick up the final fragment, the game automatically assembles the doll in your backpack; there is no extra crafting or menu step required.
How to use the doll effectively
Step 1: Keep the doll in your keepsake slot
After assembly, open the backpack menu and make sure the Troglodyte Doll is placed in one of your active keepsake slots. Since it occupies a cosmetic slot, you may need to swap out another keychain if your grid is full.
Step 2: Watch for worsening weather
As you progress up Mount Kami, keep an eye on the sky and the HUD indicators. The doll is most useful when the game starts visibly limiting your sight with heavy rain, low-visibility fog, or dense cloud cover that makes holds harder to pick out.
Step 3: Activate the doll when visibility drops
When the weather is actively making climbing more dangerous, open the backpack menu, select the doll, and confirm its use. The effect is immediate: the sky will clear, clouds will thin or vanish, and previously hidden holds and anchor points will become visible again.
Step 4: Reserve uses for the hardest sections
Because the doll only works a few times, it is best saved for climbs where missing a hold or misjudging an anchor could lead to a long fall or a frustrating back-climb. Prioritize dense fog, night-like darkness, or steep sections where you cannot clearly see the next anchor or resting point.
Step 5: Track how many times you’ve used it
If you are chasing the weather-related achievement, note that most players report the doll becoming inert after three activations. You can confirm this by checking whether the option to use it still appears in the menu after a few clear-weather instances.
The doll is one of those optional items that quietly shifts the difficulty curve rather than completely breaking it. It rewards players who stray from the obvious path, explore side routes, and treat the mountain like a place worth poking into every cave and recess.
