Folded High Steel Knuckles

Taken all the way down to base materials, one Folded High Steel Knuckles is 3 crafting steps deep and needs 8 intermediates — High Steel Ingot ×2, Star Spinel ×2, Bloodhempen Cloth ×1 and 5 others — which resolve to 8 distinct raw materials totalling 43 units, plus 39 crystals.

That bill outweighs 12,178 of the 13,602 recipes tracked here and 1,542 of the 1,932 Blacksmith ones, and 337 recipes nest deeper.

Only 7 of those crystals go into the final step; the other 32 are burned by the intermediates, so the real crystal cost is 17 Wind Crystal, 16 Fire Crystal, 3 Earth Crystal and 1 other kind.

The chain crosses four disciplines — Blacksmith to Lv 63, Goldsmith to Lv 64, Carpenter to Lv 62 and Weaver to Lv 61 — so no single class can finish it unaided.

One intermediate outranks the result: Star Spinel is a Lv 64 Goldsmith recipe feeding a Lv 63 craft, so that step, not the last one, is the real gate.

All 8 raw materials are gathered, and one of them is time-gated: Raw Star Spinel (0:00, 12:00). The widest gap between consecutive opening times is 12 Eorzean hours, about 35 real-world minutes.