Black Willow Spinning Wheel ★★★

Taken all the way down to base materials, one Black Willow Spinning Wheel is 2 crafting steps deep and needs 4 intermediates — Black Willow Lumber ×6, Hawk's Eye Sand ×3, Gold Ingot ×1 and 1 other — which resolve to 11 distinct raw materials totalling 46 units, plus 36 crystals.

That bill outweighs 12,540 of the 13,602 recipes tracked here and 1,328 of the 1,552 Carpenter ones, and 4,464 recipes nest deeper.

Only 4 of those crystals go into the final step; the other 32 are burned by the intermediates, so the real crystal cost is 10 Wind Cluster, 8 Ice Cluster, 6 Lightning Cluster and 3 other kinds.

The chain crosses three disciplines — Carpenter to Lv 70, Alchemist to Lv 70 and Goldsmith to Lv 68 — so no single class can finish it unaided.

6 of the 11 raw materials come out of the ground, and 4 of them are time-gated: Black Willow Log (4:00, 16:00), Hawk's Eye (6:00, 18:00) and 2 others. The widest gap between consecutive opening times is 10 Eorzean hours, about 29 real-world minutes.

Of the intermediates, Gold Ingot has the widest use: 184 recipes call for it, spanning seven of the eight crafting classes.