Merfolk's Lullaby

As I hoped, the pirate I overheard stashed a map to the Shroudbreaker here. I’m sure she won’t mind me borrowing it! All those new places beyond the Shroud! I can’t wait to make my mark on them, so everyone knows I got there first. It’s so stormy though… I stashed some vittles in the wreck at Old Salts Atoll, so I’ll hole up there for tonight. Then tomorrow, I’m off to claim my prize. I just need to work out how to open the vault…