Metal with Mettle
Location
Required Items
Rewards
What the allowance actually buys
One allowance here buys 1,902,430 EXP, which places it 2nd of the 2 Lv 94 Armorer tradecraft leves that record EXP. The best of them, Odd Instruments, returns 2,454,760 EXP for the same allowance, 29% more.
On whether to wait: the best Lv 96 Armorer tradecraft leve returns 4,554,260 EXP per allowance, 86% more than the best on this rung, while the Lv 92 rung behind tops out at 2,148,720 EXP.
At Lv 94 this data holds 18 leves paying EXP across 2 categories: the 16 Tradecraft ones average 2,447,593 EXP per allowance, the 2 Fieldcraft ones 5,803,754 EXP, which puts this leve 22% below its own category's average.
Cobalt Tungsten Ingot ×3 is a Lv 94 Blacksmith recipe, a single step, costing 18 units of raw material and 24 crystals over 3 crafts.
Handing that in returns 105,691 EXP and 142 gil for every unit of raw material the order swallows.