How to find and sink the Royal Louis
You can find the Royal Louis ship by Skull and Bones Items heading to the Islands of the Moon, which is further northwest of Sainte-Anne. During our playthrough, this location was extremely foggy, which greatly hampered visibility. As of the time of this writing, we can't confirm if this was just due to dynamic weather effects or if it's scripted as part of the mission.
Regardless, once you spot the Royal Louis, do everything you can to deal as much damage as possible. That's because it will circle around the islands and call on other Compagnie Royale vessels nearby. From fighting a one-on-one naval battle, you might end up facing numerous foes.Where to find the Royal Burial Ground
Once you've managed to sink the Royale Louis, loot your rewards and get ready to sail southward. Here's what you need to do:
Open the world map and check the journal so cheap Skull and Bones Items you can inspect the clue regarding Caradec's Bounty.