Merfolk's Lullaby

I’ve been around a long time, but I’ve never seen a box like this one. I dunno where my beloved dug it up from, but it stinks like a crypt. I’m actually pretty nervous. Messing around with curses is all well and good if you’re the Order of Souls, but it makes my teeth itch. What can I do, though? Master needs souls to summon his Ashen Lord, and if I want to stay in his good books, I’m the man to find ‘em. Sounds simple, but it ain’t, ‘cos to trap a soul in the chest I first need something that belongs to ‘em, not to mention more of them Dark Relics. Lucky for me, that trip I took to the Blackwyche has already given me everything I need…