Loyal Turncoat
Location
Required Items
Rewards
What the allowance actually buys
One allowance here buys 1,725,980 EXP, the best of the 2 Lv 84 Leatherworker tradecraft leves that record EXP: the runner-up manages 933,280 EXP, 46% less.
On whether to wait: the best Lv 86 Leatherworker tradecraft leve returns 1,503,270 EXP per allowance, 13% less than the best on this rung, while the Lv 82 rung behind tops out at 1,582,910 EXP.
At Lv 84 this data holds 18 leves paying EXP across 2 categories: the 16 Tradecraft ones average 1,208,414 EXP per allowance, the 2 Fieldcraft ones 2,702,320 EXP, which puts this leve 43% above its own category's average.
Saigaskin Coat of Fending ×1 is a Lv 85 Leatherworker recipe, 2 steps deep through 5 intermediates, costing 30 units of raw material and 63 crystals.
Handing that in returns 57,533 EXP and 165 gil for every unit of raw material the order swallows, and the tree needs Alchemist, Blacksmith, Leatherworker and Weaver.