Vanya Breeches of Healing ★★

Taken all the way down to base materials, one Vanya Breeches of Healing is 3 crafting steps deep and needs 5 intermediates — Hippogryph Leather ×1, Undyed Felt ×1, Vanya Silk ×1 and 2 others — which resolve to 8 distinct raw materials totalling 22 units, plus 19 crystals.

That bill outweighs 8,402 of the 13,602 recipes tracked here and 1,106 of the 1,968 Weaver ones, and 337 recipes nest deeper.

Only 2 of those crystals go into the final step; the other 17 are burned by the intermediates, so the real crystal cost is 6 Lightning Crystal, 5 Lightning Shard, 3 Earth Crystal and 3 other kinds.

The chain crosses three disciplines — Weaver to Lv 50, Leatherworker to Lv 50 and Alchemist to Lv 25 — so no single class can finish it unaided.

4 of the 8 raw materials come out of the ground, and one of them is time-gated: Silkworm Cocoon (1:00). That window comes round once per Eorzean day, every 70 real-world minutes.

Of the intermediates, Silk Thread has the widest use: 175 recipes call for it, spanning six of the eight crafting classes.