Tartarus Deep (タルタロス海淵), also known as Depro Deep, is one of the Seven Seas and the third stage in The Ocean Hunter. On the in-game map, this is the North Atlantic Ocean, somewhere within the area around Bermuda.


Tartarus Deep journal entry

This deep and dark saltwater ocean has many deep underwater terrains and caves, including a submarine sea route. There have been many underwater operations in this sea, although the intervention of Charybdis had destroyed most of them. At the time of the game, it is nighttime.


The temperatures at Tartarus Deep range from moderate to high (above surface) but slightly cold (below surface).

The Ocean HunterEdit


Sub boss(es)Edit


  • Lanternfish
  • Gulper eel


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