At a glance
The short version
- Game
- Crimson Desert Enhanced
- Guide type
- DLC & Advanced
- Read time
- 5 min read
- Last updated
- Nov 9, 2026
Quick answer
Dive to the Forgotten Ocean Ruins northwest of Razanui Island, climb to the top floor through the hole in the ceiling, open the treasure chest for the Ancients’ Chest, and use that item from your inventory.
Guide details
Mount: Ocean Drifter, a legendary mechanical underwater mount. No taming needed.
Location: Forgotten Ocean Ruins, northwest of Razanui Island, about 55 meters down.
Item: Ancients’ Chest, from the treasure chest on the top floor. Use it from your inventory.
Summon: only at 30 meters depth or deeper.
Strengths: high speed, high stamina, and a built-in headlamp.
Catch: surfacing, switching mounts, or fast traveling makes it disappear and starts a long real-time cooldown.
Quick answer
Yes, you can get the Ocean Drifter in a single dive once you own the DLC and have a Diving Suit. Head to the Forgotten Ocean Ruins northwest of Razanui Island, dive to about 55 meters, enter the pyramid-shaped ruins from the north side, swim up through the hole in the ceiling to the top floor, and open the treasure chest. Take the Ancients’ Chest from the chest, open your inventory to the last tab, and use the item. The Ocean Drifter registers permanently, and you never need to return to the ruins.
Where to find the Ocean Drifter
The chest sits in the Forgotten Ocean Ruins, northwest of Razanui Island in the southwestern part of the map, at a depth of about 55 meters. Sportskeeda and GamingAlly agree on that spot, and ShowGamer places the ruins in the same area. One guide (OutputLag) instead describes the ruins as the bay west of the Great Coral Reef; the two descriptions point at the same corner of the South Sea, and the map pin reading Forgotten Ocean Ruins is the landmark to trust.
Look for a pyramid-shaped structure surrounded by kelp. Enter from the north side, past the turrets, and swim upward through the floors: the chest is on the top floor, reached through a hole in the ceiling. A Natural Pearl sits in the other corner of the same room, so grab that too while you are there. You need the Diving Suit for this dive: the ruins are deep, and the swim up through the temple takes time.
How to unlock it, step by step
Own the Charting the Unknown DLC and wear a Diving Suit. Without the DLC, the ruins and the mount do not exist.
Sail to the Forgotten Ocean Ruins northwest of Razanui Island and dive to about 55 meters.
Enter the ruins from the north side and swim up through the hole in the ceiling to the top floor.
Open the treasure chest and take the Ancients’ Chest. Pick up the Natural Pearl in the other corner as well.
Open your inventory, go to the last tab, and use the Ancients’ Chest. The Ocean Drifter registers in your mount collection.
That is the whole unlock. It is permanent: you never need another chest.
Unlike sharks, manta rays, and dolphins, the Ocean Drifter is a machine, so there is no Force Palm stun and no riding minigame. Our diving guide covers the taming rules for living mounts; this mount skips them entirely.
How to summon and use it
Summon the Ocean Drifter like any other mount, but only underwater at about 30 meters depth or deeper. It is the fastest underwater vehicle in the game, with high stamina and a headlamp that lights the trench ahead of you, which makes it the right mount for the deep dives in the South Sea. Plan your route before you summon it, because losing it mid-trip is expensive.
The cooldown: what the guides disagree on
When the Ocean Drifter disappears, a real-time cooldown starts before you can summon it again. It disappears if you return to the surface, summon another mount, or fast travel away and leave it behind. QuoraMarketing adds that you can dismount underwater and return to it without triggering the cooldown, as long as it does not despawn.
How long is the cooldown? Most guides report 60 minutes of real time: ShowGamer, Sportskeeda, GamingAlly, and QuoraMarketing all say one hour. OutputLag, in its glowing-sword guide, reports 55 minutes instead. Pearl Abyss has not published an official number, and no in-game test by this site settles it, so this guide states the disagreement plainly: expect about an hour, and do not plan a trip that needs the mount twice within it.
Same trip: the Ocean Light Blade
While you are diving in the South Sea, the same guides point at a second find: a one-handed blue light sword, the Ocean Light Blade, in another Forgotten Ocean Ruins site southwest of the Rocky Reef, through a cave mouth at about 225 meters and inside a sunken temple at about 280 meters, on what its finder calls the third floor. OutputLag, the guide reporting it, is open that nobody has posted the item card, so the exact name and base attack are still unconfirmed. Our achievements and collectibles guide already covers a standard Lumen Sword found in a Forgotten Ocean Ruins chest; whether the temple sword is that same sword or a second one is not settled. Treat the temple sword as a lead to check, not a confirmed second weapon, and do not confuse it with the two-handed Lumen Longsword from the Garden of Trials.
Frequently asked questions
Do I need to tame the Ocean Drifter?
No. It is a mechanical mount. Open the Ancients’ Chest from your inventory and it registers automatically. There is no riding minigame.
Can I summon it in shallow water?
No. You must be at about 30 meters depth or deeper. Dive first, then summon.
How long is the cooldown?
Most guides say 60 minutes of real time; OutputLag says 55 minutes. Pearl Abyss has not published an official figure. Plan on about an hour.
Do I lose it forever if it despawns?
No. The unlock is permanent. A despawn only starts the cooldown; after it ends, you can summon the Ocean Drifter again.