Facet Alembic ★★

Taken all the way down to base materials, one Facet Alembic is 2 crafting steps deep and needs 3 intermediates — Alumina Whetstone ×3, Tungsten Steel Ingot ×3 and Dwarven Mythril Nugget ×1 — which resolve to 8 distinct raw materials totalling 41 units, plus 35 crystals.

That bill outweighs 11,923 of the 13,602 recipes tracked here and 1,267 of the 1,441 Armorer ones, and 4,464 recipes nest deeper.

Only 4 of those crystals go into the final step; the other 31 are burned by the intermediates, so the real crystal cost is 12 Fire Cluster, 8 Earth Cluster, 7 Wind Crystal and 2 other kinds.

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

4 of the 8 raw materials come out of the ground, and 2 of them are time-gated: Beryllium Ore (4:00, 16:00) and Tungsten Ore (10:00, 22:00). The widest gap between consecutive opening times is 6 Eorzean hours, about 18 real-world minutes.

Of the intermediates, Dwarven Mythril Nugget has the widest use: 154 recipes call for it, spanning seven of the eight crafting classes.