To defeat the Maangodin Ghost Ship in Skull and Bones, you'll need to follow a strategy focused on Skull and Bones Items hitting its weak points and maximizing your damage during brief vulnerable moments. Here's a guide on how to take down this spectral vessel:

How to Defeat the Maangodin Ghost Ship
Unlock the Quest:

The Maangodin Ghost Ship is part of the Oceans Apart quest, which you can obtain from the Mysterious Rogue vendor located in The Oubliette settlement, southeast of Sainte-Anne.
After accepting the quest, head to the marked location east of the settlement to find the Ghost Ship.
Ghost Ship Encounter:

The Maangodin Ghost Ship is a Level 8 enemy, encountered in open waters.
Though it's said to spawn at night, you may find it remains in place even during the day.
As you approach, the Ghost Ship will fire spectral rockets at you. Be prepared to dodge these attacks and deal with the rough waters and rogue waves during the fight.
Target the Weak Points:

When you begin the fight, you'll notice that the ship is immune to most attacks. To damage it, you must hit the ship's weak points, which glow red.
Use weapons like ballistae, culverins, or Scurlock's Chasers long gun for direct damage, or opt for bombards to deal AoE damage to the weak spots.
Maximize Damage During Vulnerable Phases:

After hitting the weak spots a few times, you'll hear a loud screech, signaling that the Ghost Ship's hull is vulnerable. At this point, unleash as much DPS as possible before it becomes immune again.
The ship’s immunity will return after a short period, and you'll need to target its weak spots once more.
Dealing with the Environment:

The battle takes place in open waters, meaning you’ll need to contend with rough seas and stormy conditions. Stay aware of your surroundings to avoid being overwhelmed by waves or other hazards.
Possible Ghost Ship Bug
Some players have reported a bug during the encounter:

If you kite the Ghost Ship too far from the encounter area, it may drop aggro and return to its original location, where it could simply spin in place without attacking.
If this happens, you can still defeat the ship by continuously peppering it with attacks, though it might take longer due to its high defenses.
Rewards for Defeating the Maangodin Ghost Ship
When you destroy the Maangodin Ghost Ship, you'll receive two key rewards:

Tarnished Ring: This item completes the Oceans Apart quest when handed to the NPC in The Oubliette.
Ethereal Ashes: A special currency used to buy items from the Mysterious Rogue vendor. Here’s what you can purchase with Ethereal Ashes:
Mysterious Chest: Contains random equipment and resources; costs 50 Ethereal Ashes.
Hessel's Outfit Set: A set of clothing and accessories for your character; costs between 10 to 20 Ethereal Ashes.
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 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 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.
Talk to the Sea People Huntmaster:

Once there, talk to the Sea People Huntmaster and accept the “From the Deep” side contract. This will mark Kuharibu’s location on the map in the Western Basin, northwest of Lanitra.
Make sure your ship is at least level 6 or 7 before heading into battle, as Kuharibu is a tough opponent.
Find Kuharibu:

After accepting the contract, sail to the marked location in the Western Basin. You might also receive reports of a “strange sighting” of Kuharibu while exploring this area, which allows you to fight the monster again without needing the contract.
Step 2: Prepare for the Battle
Bring plenty of repair kits: Kuharibu deals significant damage, so you’ll need to make sure your ship stays afloat.
Co-op is highly recommended: While you can attempt this solo, the encounter is designed to be a co-op challenge, so teaming up with other players will greatly increase your chances of success.
Use a strong, maneuverable ship: You’ll need a sturdy ship to take the hits but also one that can quickly dodge Kuharibu’s attacks.
How to Beat Kuharibu
Kuharibu’s Attack Pattern:
Kuharibu primarily uses charging and chomping attacks. When the sea monster surfaces, you’ll have a brief window to Skull and bones items for sale online deal damage before it tries to ram or bite your ship.
After getting a few hits in, you’ll need to brace or dodge to avoid taking damage from its charge.