Vanya Silk ★★

Taken all the way down to base materials, one Vanya Silk is 2 crafting steps deep and needs 1 intermediate — Silk Thread ×2 — which resolves to 3 distinct raw materials totalling 12 units, plus 4 crystals.

That bill outweighs 6,221 of the 13,602 recipes tracked here and 768 of the 1,968 Weaver ones, and 4,464 recipes nest deeper.

Only 1 of those crystals go into the final step; the other 3 are burned by the intermediates, so the real crystal cost is 3 Lightning Crystal and 1 Lightning Cluster.

Every step is Weaver work, from a Lv 50 intermediate up to the Lv 50 finish, so one class covers the whole chain.

2 of the 3 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.

Vanya Silk is itself consumed by 37 further recipes, spanning five of the eight crafting classes.