Archaeoskin Gloves of Healing

Taken all the way down to base materials, one Archaeoskin Gloves of Healing is 3 crafting steps deep and needs 4 intermediates — Agate ×2, Archaeornis Leather ×2, Rainbow Thread ×1 and 1 other — which resolve to 6 distinct raw materials totalling 21 units, plus 28 crystals.

That bill outweighs 8,152 of the 13,602 recipes tracked here and 1,103 of the 1,844 Leatherworker ones, and 337 recipes nest deeper.

Only 5 of those crystals go into the final step; the other 23 are burned by the intermediates, so the real crystal cost is 10 Wind Shard, 9 Earth Crystal, 8 Wind Crystal and 1 other kind.

The chain crosses three disciplines — Leatherworker to Lv 51, Goldsmith to Lv 51 and Weaver to Lv 51 — so no single class can finish it unaided.

5 of the 6 raw materials come out of the ground, and one of them is time-gated: Coerthan Tea Leaves (0:00, 8:00, 10:00, 12:00, 20:00, 22:00). The widest gap between consecutive opening times is 8 Eorzean hours, about 23 real-world minutes.

Of the intermediates, Rainbow Thread has the widest use: 116 recipes call for it, spanning five of the eight crafting classes.