Purified Polyrhythm (L)

At 10 allowances a run, this leve's 2,239,400 EXP works out to 223,940 EXP per allowance, which places it 2nd of the 3 Lv 54 Carpenter Grand Company leves that record EXP. The best of them, Fruit of the Loom (L), returns 260,272 EXP for the same allowance, 16% more.

Across that rung the return runs from 14,640 EXP to 260,272 EXP per allowance — 3 distinct figures spanning 1,678%, so the wrong pick leaves 245,632 EXP of the allowance unspent.

On whether to wait: the best Lv 56 Carpenter Grand Company leve returns 361,242 EXP per allowance, 39% more than the best on this rung, while the Lv 52 rung behind tops out at 233,194 EXP.

At Lv 54 this data holds 54 leves paying EXP across 3 categories: the 27 Grand Company ones average 205,186 EXP per allowance, the 3 Fieldcraft ones 938,680 EXP and the 24 Tradecraft ones 400,590 EXP, which puts this leve 9% above its own category's average.

Dark Chestnut Rod ×3 is a Lv 54 Carpenter recipe, 3 steps deep through 3 intermediates, costing 81 units of raw material and 69 crystals over 3 crafts.

Handing that in returns 27,647 EXP and 54 gil for every unit of raw material the order swallows, and the tree needs Alchemist and Carpenter.