Rarefied Claro Walnut Grinding Wheel

Taken all the way down to base materials, one Rarefied Claro Walnut Grinding Wheel is 3 crafting steps deep and needs 3 intermediates — Claro Walnut Lumber ×2, Black Star ×1 and Magnesia Whetstone ×2 — which resolve to 3 distinct raw materials totalling 21 units, plus 56 crystals.

That bill outweighs 8,152 of the 13,602 recipes tracked here and 815 of the 1,552 Carpenter ones, and 337 recipes nest deeper.

Only 16 of those crystals go into the final step; the other 40 are burned by the intermediates, so the real crystal cost is 32 Wind Crystal, 16 Water Crystal and 8 Ice Crystal.

The chain crosses three disciplines — Carpenter to Lv 99, Goldsmith to Lv 98 and Alchemist to Lv 95 — so no single class can finish it unaided.

All 3 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, Black Star has the widest use: 161 recipes call for it, spanning six of the eight crafting classes.