[Slasher]

Well. Technically, you can find them anywhere. I have heard accounts of finding Legendaries in LOOT POUCHES. I found El Patron from a stump on Outcast, but to find cursed, I believe you must hunt on Tormenta and Ravens Cove

And yes. They are good. Everybody says El Patron is overrated, and it isn't the strongest, but it gets the job done on NPC's, while PVP... Not so much... Although still, Ghost Effect helps..