Deepgold War Scythe

Taken all the way down to base materials, one Deepgold War Scythe is 3 crafting steps deep and needs 5 intermediates — Deepgold Nugget ×2, Stonegold Nugget ×2, Gazelle Leather ×1 and 2 others — which resolve to 7 distinct raw materials totalling 32 units, plus 51 crystals.

That bill outweighs 10,750 of the 13,602 recipes tracked here and 1,223 of the 1,932 Blacksmith ones, and 337 recipes nest deeper.

Only 11 of those crystals go into the final step; the other 40 are burned by the intermediates, so the real crystal cost is 18 Fire Crystal, 18 Wind Crystal, 10 Earth Crystal and 1 other kind.

The chain crosses four disciplines — Blacksmith to Lv 71, Goldsmith to Lv 71, Leatherworker to Lv 68 and Alchemist to Lv 66 — so no single class can finish it unaided.

6 of the 7 raw materials come out of the ground, and one of them is time-gated: Gold Ore (9:00). That window comes round once per Eorzean day, every 70 real-world minutes.

Of the intermediates, Stonegold Nugget has the widest use: 90 recipes call for it, spanning six of the eight crafting classes.