The Black Flag Resynced Antocha Wreck is one of the many shipwrecks you can plunder for long lost loot, with one chest in the wreck itself being quite tricky to find. Grabbing all eight loot chests in this wreck is really useful as well, since you'll gather both a load of Reales and the Mortar Ultimate Plan, which is arguably one of the best in all of Black Flag Resynced. With that, I've detailed the locations for all seven chests in the Antocha Wreck below.

All Antocha Wreck chest locations in Black Flag Resynced

As mentioned, there are eight chests to rip open in the wreck of the Antocha – seven containing Reales and one secret chest containing the Black Flag Resynced Ultimate Plan for the Mortar – with four of them stuck within the two halves of the destroyed ship.

Starting with those since they're the hardest to reach, here's how you can find every chest in the Antocha diving spot:

1. At the very bottom of the south edge of the northern half of the wreck (the stern of the ship).
2. In a small room on the middle deck of the stern wreckage. Swim into the deck, take the second left, then turn left again to reach it.
3. Deep within the stern wreckage on the upper deck. From chest 2, turn around and go straight ahead, then up to the next deck to find the chest straight ahead.
4. At the end of a corridor accessed via an opening on the east corner of the stern wreckage. The opening is roughly halfway down the ship and there is a shoal of fish plus some coral and plants surrounding it.

5. On the top deck of the southern bow half of the shipwreck, near the bowsprit.
6. In the small shipwreck part closest to the diving bell.
7. In the small shipwreck part directly south of the diving bell.
8. Secret: In the small shipwreck piece furthest from the diving bell. This contains the Mortar Ultimate Plan.

When looking for these chests and secrets in the Antocha, or any shipwreck accessed via the diving bell for that matter, remember to scan the area by holding L2/LT to look for white dots as these are the chests, then check your map often to see where to go. Obviously, you also need to watch out for sharks and ensure Edward doesn’t drown, so make sure you return to the diving bell and use the barrels to refill the oxygen meter – barrels can only be used to replenish Edward's air once each!

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