Koppranickel Foil

Taken all the way down to base materials, one Koppranickel Foil is 2 crafting steps deep and needs 3 intermediates — High Steel Nugget ×2, Koppranickel Nugget ×2 and Beech Lumber ×1 — which resolve to 4 distinct raw materials totalling 24 units, plus 20 crystals.

That bill outweighs 8,926 of the 13,602 recipes tracked here and 1,346 of the 2,216 Goldsmith ones, and 4,464 recipes nest deeper.

Only 5 of those crystals go into the final step; the other 15 are burned by the intermediates, so the real crystal cost is 12 Wind Crystal and 8 Fire Crystal.

The chain crosses three disciplines — Goldsmith to Lv 61, Blacksmith to Lv 61 and Carpenter to Lv 61 — so no single class can finish it unaided.

All 4 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, High Steel Nugget has the widest use: 133 recipes call for it, spanning seven of the eight crafting classes.