Imitation Vault

Taken all the way down to base materials, one Imitation Vault is 3 crafting steps deep and needs 5 intermediates — Chondrite Ingot ×3, Manganese Ingot ×3, Pewter Ingot ×3 and 2 others — which resolve to 8 distinct raw materials totalling 60 units, plus 144 crystals.

That bill outweighs 13,112 of the 13,602 recipes tracked here and 1,387 of the 1,441 Armorer ones, and 337 recipes nest deeper.

Only 64 of those crystals go into the final step; the other 80 are burned by the intermediates, so the real crystal cost is 48 Fire Crystal, 32 Earth Crystal, 32 Ice Crystal and 3 other kinds.

The chain crosses three disciplines — Armorer to Lv 90, Blacksmith to Lv 88 and Goldsmith to Lv 82 — so no single class can finish it unaided.

All 8 raw materials are gathered, and not one of their spots is timed, so nothing in the tree waits on the Eorzean clock.

Of the intermediates, Chondrite Ingot has the widest use: 210 recipes call for it, spanning seven of the eight crafting classes.