Ivory Staff

Taken all the way down to base materials, one Ivory Staff is 2 crafting steps deep and needs 1 intermediate — Eye of Lightning ×1 — which resolves to 4 distinct raw materials totalling 5 units, plus 14 crystals.

That bill outweighs 4,201 of the 13,602 recipes tracked here and 564 of the 2,216 Goldsmith ones, and 4,464 recipes nest deeper.

Only 12 of those crystals go into the final step; the other 2 are burned by the intermediates, so the real crystal cost is 8 Wind Shard and 6 Fire Shard.

Every step is Goldsmith work, from a Lv 22 intermediate up to the Lv 50 finish, so one class covers the whole chain.

1 of the 4 raw materials matches a gathering node, none of them timed; the other 3 come from vendors, drops or content this site does not track.

Of the intermediates, Eye of Lightning has the widest use: 4 recipes call for it, spanning three of the eight crafting classes.