Heavy Metal War Axe ★★★★

Taken all the way down to base materials, one Heavy Metal War Axe is 3 crafting steps deep and needs 6 intermediates — Heavy Metal Ingot ×3, Saurian Leather ×2, Scintillant Ingot ×1 and 3 others — which resolve to 16 distinct raw materials totalling 76 units, plus 64 crystals.

That bill outweighs 13,379 of the 13,602 recipes tracked here and 1,906 of the 1,932 Blacksmith ones, and 337 recipes nest deeper.

Only 6 of those crystals go into the final step; the other 58 are burned by the intermediates, so the real crystal cost is 29 Fire Cluster, 22 Earth Cluster, 10 Wind Cluster and 1 other kind.

The chain crosses four disciplines — Blacksmith to Lv 60, Carpenter to Lv 60, Goldsmith to Lv 60 and Leatherworker to Lv 50 — so no single class can finish it unaided.

7 of the 16 raw materials come out of the ground, and 6 of them are time-gated: Luminium Ore (6:00, 18:00), Teak Log (0:00, 12:00) and 4 others. The widest gap between consecutive opening times is 6 Eorzean hours, about 18 real-world minutes.

Of the intermediates, Platinum Ingot has the widest use: 176 recipes call for it, spanning seven of the eight crafting classes.