Holy Rainbow Gloves

Taken all the way down to base materials, one Holy Rainbow Gloves is 4 crafting steps deep and needs 5 intermediates — Holy Rainbow Cloth ×2, Holy Water ×4, Rainbow Cloth ×2 and 2 others — which resolve to 5 distinct raw materials totalling 25 units, plus 27 crystals.

That bill outweighs 9,313 of the 13,602 recipes tracked here and 1,219 of the 1,968 Weaver ones, and 1 recipe nests deeper.

Only 7 of those crystals go into the final step; the other 20 are burned by the intermediates, so the real crystal cost is 17 Lightning Crystal, 6 Water Crystal, 3 Wind Crystal and 1 other kind.

The chain crosses two disciplines — Weaver to Lv 53 and Alchemist to Lv 52 — so no single class can finish it unaided.

4 of the 5 raw materials come out of the ground, and one of them is time-gated: Dravanian Mistletoe (0:00, 12:00). The widest gap between consecutive opening times is 12 Eorzean hours, about 35 real-world minutes.

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