Highland Cottage Roof (Stone)

Taken all the way down to base materials, one Highland Cottage Roof (Stone) is 3 crafting steps deep and needs 7 intermediates — Iron Joint Plate ×10, Mortar ×10, Titanium Nugget ×10 and 4 others — which resolve to 9 distinct raw materials totalling 170 units, plus 120 crystals.

That bill outweighs 13,542 of the 13,602 recipes tracked here and 1,430 of the 1,441 Armorer ones, and 337 recipes nest deeper.

Only 20 of those crystals go into the final step; the other 100 are burned by the intermediates, so the real crystal cost is 40 Fire Crystal, 25 Water Shard, 15 Wind Shard and 4 other kinds.

The chain crosses four disciplines — Armorer to Lv 60, Blacksmith to Lv 54, Goldsmith to Lv 30 and Alchemist to Lv 20 — so no single class can finish it unaided.

All 9 raw materials are gathered, and not one of their spots is timed, so nothing in the tree waits on the Eorzean clock.

Of the intermediates, Mortar has the widest use: 140 recipes call for it, spanning six of the eight crafting classes.