We can't find any source for this item (quests reward, drop, etc). It's highly probable this item is not obtainable right now. It seems that the New Cuernos de la ira corrupta is obtainable.
dropped from myrkgard devil at the tangle, this took the longest for to get using full luck gear, 3 basic loot trophies and a turkey leg. now to get the legs
Got all 3 pieces and an extra set of boots in about 2 hours doing a loop of heresy/devil/thorpe. 2 pieces from thorpe, one from devil, one from a random gun guy
Got helm/gloves/x3boots from Brute (Myrkgard Devil), also have x1boots from some random mob at The Tangle, but much easier to get from Brute bcs it seems he tag like "boss", also must be same ez from commander at The Tangle, but i'm lazy to gather group. all dropped 590+.
Just got it from the spearman next to Thorpe in the Tangled in Myrk. Dropped 597. Have hope ppl!
I have been farming these non-stop for 4 days straight. I ain't getting anything, my friend got all 3 pieces from myrkgard in 1h. Wtf
Dropped for me today, 594, did not pay attention to which creature it was unfortunately
Dropped from the Bonemealer mob in Myrkgard.
Looted 590+ GS from Warcaller Tactician in The Tangle
Been farming Devil and acquired every other named/legendary from him at least 3 times apart from this. Rng truly sucks.