Courtly Lover's Shirt of Aiming ★★★★

Taken all the way down to base materials, one Courtly Lover's Shirt of Aiming is 2 crafting steps deep and needs 4 intermediates — Urqopacha Linen ×4, Grade 4 Gemsap of Dexterity ×2, Rose Garnet ×1 and 1 other — which resolve to 9 distinct raw materials totalling 43 units, plus 50 crystals.

That bill outweighs 12,178 of the 13,602 recipes tracked here and 1,772 of the 1,968 Weaver ones, and 4,464 recipes nest deeper.

Only 6 of those crystals go into the final step; the other 44 are burned by the intermediates, so the real crystal cost is 18 Lightning Cluster, 18 Wind Cluster, 8 Lightning Crystal and 2 other kinds.

The chain crosses three disciplines — Weaver to Lv 100, Alchemist to Lv 100 and Goldsmith to Lv 100 — so no single class can finish it unaided.

6 of the 9 raw materials come out of the ground, and 3 of them are time-gated: Rose Garnet Ore (0:00, 12:00), Urqopacha Flax (6:00, 18:00) and 1 other. The widest gap between consecutive opening times is 6 Eorzean hours, about 18 real-world minutes.

Of the intermediates, Thunderyards Silk has the widest use: 120 recipes call for it, spanning seven of the eight crafting classes.