Windrose Millstone: How to Get & Use

How to Build a Millstone in Windrose

Crafting a windrose millstone happens at the Workbench, but the parts recipe is gated behind the Foothills biome. You need to unlock the Foothills first by progressing past the Coastal Jungle, then harvest a single Corn from the wild stalks scattered around the biome’s clearings. Picking that Corn registers the parts recipe in your Workbench menu — there is no other way to surface it, no hidden trader, and no quest that hands the components over.

Once the recipe is unlocked, the parts themselves are cheap. You need fifteen Stone, gathered from any Coastal Jungle outcropping, plus roughly a minute of Workbench time. After they come out of the Workbench, place the station inside your camp footprint with at least one tile of clearance on every side so a worker can reach the input piles.

Stone is the only ingredient that ever runs short during this build, and only because most players burn through their first stone stockpile on early walls. If you find yourself short, the Coastal Jungle hills directly southwest of the spawn region usually have a half-dozen rocky nodes within a single torch range — fill the hauling slot and you will have enough left over for a second placement if you ever want to scale into two stations in parallel.

Windrose Millstone Uses

The windrose millstone has two distinct production routes that often get conflated. The first and most important is the gunpowder route — 25 Ash plus 25 Sulfur per craft yields one Gunpowder, and there is no other station in the game that produces it. If you skip building this station, you skip every ranged firearm in your kit running on a real production budget.

The second route is the Charcoal-to-Ash converter. Two Charcoal feed into the millstone and six Ash come out, a 3× multiplier on raw Charcoal that the Charcoal Kiln does not match. The station is doing two jobs in your camp: a slow, expensive gunpowder factory, and a fast, cheap ash multiplier. Switch the queue between them depending on which input you are short on.

A worker assigned to the millstone provides a +50% production bonus on whichever route is currently queued. The bonus stacks with full input piles — if you keep at least 100 of each input fed at all times, the worker effectively crafts in the background while you explore.

Pair this page with the Production Planner and the main gunpowder guide to plan a run end to end.

Best Camp Layouts for the Millstone

The millstone has no in-world farming location — it is a building you place — but where you place it inside your camp matters more than most players realize. Worker animation time is real-time, so a station tucked into the back of a long workshop wastes minutes per batch on travel.

Place the windrose millstone with two storage chests adjacent: one for Ash inputs, one for Sulfur inputs. Keep the Charcoal Kiln within five tiles so the Ash byproduct from kiln runs lands close enough that a worker can shuttle it without a long walk. Output goes into a third chest near your camp’s main exit, so loading up before an expedition takes one stop instead of three.

Windrose Millstone Tips & Strategy

Three habits separate a productive station from a forgotten one. First, never let either input stockpile drop to zero — the bonus does nothing while the queue is starved, and you lose the multiplier you paid for. Second, run two millstones once your camp can afford the parts; the second placement effectively doubles weekly output without doubling your worker headcount. Third, treat the Charcoal-to-Ash route as a free upgrade: every two Charcoal you push through it returns six Ash, and that math is unbeatable when Ash, not Charcoal, is your bottleneck.

The windrose millstone rewards the players who plan around its rhythm rather than against it.