Blue Specter: A blueprint for crafting a unique sea fire weapon; costs 50 Ethereal Ashes.
You can continue farming the Ghost Ship for more Ethereal Ashes either through respawns or by Skull and Bones Items accepting contracts at Kingpin rank. This encounter is one of several unique battles in Skull and Bones, with others like the Kuharibu Sea Monster also available for those seeking more challenging foes.
To find and defeat the Kuharibu Sea Monster in Skull and Bones, you’ll need to follow a specific questline and prepare for a tough battle in the open waters. This world event can be replayed to Skull and bones items for sale online farm valuable resources like Monstrous Teeth. Here’s how to take on the challenge:

Step 1: Find Kuharibu
Go to Lanitra Outpost:

Head to the Lanitra Outpost, located on the northern tip of the Red Isle, near the game’s starting point at Saint-Anne.