Exarchic Circlet of Maiming ★★★★

Taken all the way down to base materials, one Exarchic Circlet of Maiming is 2 crafting steps deep and needs 4 intermediates — Duraluminum Ingot ×2, Grade 4 Strength Alkahest ×2, Dwarven Mythril Ingot ×1 and 1 other — which resolve to 10 distinct raw materials totalling 30 units, plus 37 crystals.

That bill outweighs 10,368 of the 13,602 recipes tracked here and 1,081 of the 1,441 Armorer ones, and 4,464 recipes nest deeper.

Only 6 of those crystals go into the final step; the other 31 are burned by the intermediates, so the real crystal cost is 9 Earth Cluster, 9 Fire Cluster, 7 Fire Crystal and 4 other kinds.

The chain crosses four disciplines — Armorer to Lv 80, Alchemist to Lv 80, Blacksmith to Lv 80 and Goldsmith to Lv 80 — so no single class can finish it unaided.

6 of the 10 raw materials come out of the ground, and 3 of them are time-gated: Dolomite (8:00, 20:00), Hard Water (4:00, 16:00) and 1 other. The widest gap between consecutive opening times is 6 Eorzean hours, about 18 real-world minutes.

Of the intermediates, Dwarven Mythril Ingot has the widest use: 168 recipes call for it, spanning seven of the eight crafting classes.