Ivy-covered Bridge

Taken all the way down to base materials, one Ivy-covered Bridge is 2 crafting steps deep and needs 1 intermediate — Growth Formula Kappa ×4 — which resolves to 6 distinct raw materials totalling 37 units, plus 92 crystals.

That bill outweighs 11,564 of the 13,602 recipes tracked here and 1,852 of the 2,216 Goldsmith ones, and 4,464 recipes nest deeper.

Only 64 of those crystals go into the final step; the other 28 are burned by the intermediates, so the real crystal cost is 32 Fire Crystal, 32 Wind Crystal and 28 Water Crystal.

The chain crosses two disciplines — Goldsmith to Lv 90 and Alchemist to Lv 76 — so no single class can finish it unaided.

3 of the 6 raw materials match a gathering node, none of them timed; the other 3 come from vendors, drops or content this site does not track.

Of the intermediates, Growth Formula Kappa has the widest use: 40 recipes call for it, spanning four of the eight crafting classes.