The most unique aspect of this body is, aside from Dusk Jerkin, This is the only Regenerative Body Dark Knight Can equip, and it just so happens to be a 2hp/tic Regen.
That's massive for a job that is extremely effective at kiting. Combined with Orochi Nodowa and Crimson Mask, you can pull 1.25Hp/Second (4hp/tic).
I'm no expert warrior but 2vit/str VS an extra 3acc or so, and about 7mil cheaper than Ares seems like a fair deal to me.
Also Catastrophe is highly affected by Attack making this IMO a prime choice for cata if you wield the fully upgraded relic... By no means is this the best TP piece however, Adaberk ftw.
You are losing Hp + MP + bonus and -STr2 however you are gaining Acc+5 Att +1. Also remember that this body is "Odin Drop" Good luck getting it, the cost of materials is 4.5mill if Synths fail get rdy to kick your head in wall.
This Body is Perfeckt for PLD! "Regen" 2mp per tick!