Mjolnir Amulet
From YPPedia
A Mjolnir Amulet is a trinket awarded to experienced players1 by Brynhild Skullsplitter upon defeating her in sea battle. It will be inscribed with the message, "Ransomed by Brynhild Skullsplitter to <Pirate> on <date>." It can be held in a portrait by the pirate who originally won it.
1 On doubloon oceans, the player must be holding at least a Pirate badge. On subscription oceans, the player must be subscribed.
