Courtly Lover's Gloves of Casting ★★★★

Taken all the way down to base materials, one Courtly Lover's Gloves of Casting is 2 crafting steps deep and needs 4 intermediates — Grade 4 Gemsap of Intelligence ×2, Mastodon Leather ×2, Ra'Kaznar Ingot ×1 and 1 other — which resolve to 10 distinct raw materials totalling 31 units, plus 38 crystals.

That bill outweighs 10,578 of the 13,602 recipes tracked here and 1,562 of the 1,844 Leatherworker ones, and 4,464 recipes nest deeper.

Only 6 of those crystals go into the final step; the other 32 are burned by the intermediates, so the real crystal cost is 12 Wind Cluster, 9 Earth Cluster, 8 Fire Crystal and 3 other kinds.

The chain crosses four disciplines — Leatherworker to Lv 100, Alchemist to Lv 100, Goldsmith to Lv 100 and Blacksmith to Lv 98 — so no single class can finish it unaided.

7 of the 10 raw materials come out of the ground, and 3 of them are time-gated: Carnauba Leaf (4:00, 16:00), Rose Garnet Ore (0:00, 12:00) and 1 other. The widest gap between consecutive opening times is 8 Eorzean hours, about 23 real-world minutes.

Of the intermediates, Ra'Kaznar Ingot has the widest use: 166 recipes call for it, spanning seven of the eight crafting classes.