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This page is about the current map version. For other uses, see Underground Sea Map (disambiguation).
Underground Sea MapMap Level: 69
Map Tier: 2
Guild Character: q
Silent stillness. The waters are as cold as they are black.Travel to this Map by using it in a personal Map Device. Maps can only be used once.
Underground Sea Map (Ritual) inventory icon.png
Acquisition
Area level: 68
Vendor Prices
Normal7x Chaos Orb
Magic7x Chaos Orb
1x Orb of Chance
Rare7x Chaos Orb
1x Orb of Alchemy
Unique10x Chaos Orb
Vendor Offer
1x Scroll Fragment
Metadata
Item class: Maps
Underground Sea
Map area
No Waypoint
IdMapWorldsUndergroundSea
Act11
Area level73
BossesMerveil, the Returned
Merveil, the Reflection
Area type tagscave
Tagsindoors_area, map, area_with_water, einharmaps, flooded_area, cave_area
The Shaper: Silent stillness. The waters are as cold as they are black.
Silent stillness. The waters are as cold as they are black.
Maps loading screen.png

Underground Sea Map is a map area.

Layout


Encounters

Boss

Boss video

Items found in this area

ItemLvl.
Lantador's Lost LoveLantador's Lost Love7Two-Stone RingThey fought the storm together as one,
Until the longest of days was done.
Their love grew stronger
with every breath,
Until it was broken apart in death.
1
The LoverThe Lover2Jewellery
Item Level: 79
"I wanted to give you three things. I've given you my eternal love. I've sung to you my most beautiful song. I'd have given you the moon last, but it couldn't be found. I hope you'll accept this instead."
1
The GamblerThe Gambler5Divination Card"I don't believe in karma. If it were real, I would never win."1
The Encroaching DarknessThe Encroaching Darkness8Map
Corrupted
No matter where your dreams take you, Nightmare follows close behind.
1
The SirenThe Siren7The Whispering Ice
Corrupted
At the beck and call
of The Siren's hand,
winter ravages
the trembling land,
and the weight of ice that binds
will break the strongest of minds.
1
The SurvivalistThe Survivalist37x Orb of AlchemyA lucky number
For us all
To help us through
The perils told.
1
Glimmer of HopeGlimmer of Hope8Gold RingWhen you dwell in total darkness, even the faintest light may guide you out.1
Her MaskHer Mask4Sacrifice FragmentTo her beauty you submit,
lest your neck the great Queen slit.
1
Treasure HunterTreasure Hunter7Vaults of Atziri
Corrupted
"Don't worry, I know what I'm doing."
- Toggo's Last Words
1
Lysah's RespiteLysah's Respite6Agate Amulet
Corrupted
So many memories,
so much pain in
such a small token.
Drown it in blood
so you can forget.
1
The Fathomless DepthsThe Fathomless Depths8LightpoacherFall into endless night; a voyage into an ocean of oblivion.1
The CacophonyThe Cacophony83x Deafening EssenceNothing can be heard above the din or seen amongst the turmoil. The senses are shattered. All is left to fate.1
The Tinkerer's TableThe Tinkerer's Table55x FossilTrying to bring your vision to life is enough to drive you mad.1

Item acquisition
Questionmark.png

Upgrade paths

This item can be acquired through the following upgrade paths or vendor recipes:

AmountIngredientGeneral
Notes
Type
4Boundless RealmsBoundless Realms4MapBoundless is the distance between where we start and where we start again.random mapAutomatic
6The ExplorerThe Explorer6Map
Corrupted
A map is only useful if you know where you stand.
random corrupted mapAutomatic
1The VoidThe Void1Reach into the Void and claim your prize.random divination card set exchangeAutomatic

Unique versions

ItemLvl.
Oba's Cursed TroveOba's Cursed Trove
Underground Sea Map
Map Level: 69
Map Tier: 2
Item Quantity: +40%
Area has patches of desecrated ground
20 patches with Ground Effect per 100 tiles (Hidden)
Ground Effect has a radius of 10 (Hidden)
(40-50)% more Monster Life
(30-40)% increased Monster Damage
Area becomes fatal after some time
"Here the soil is more deadly than any swing of the axe."
- Oba of the Karui, Conqueror of Corruption.
Travel to this Map by using it in a personal Map Device. Maps can only be used once.
1


Version history

Version Changes
3.6.0
  • The Atlas of Worlds has been shuffled. Most maps have changed tier and location within the Atlas.
3.5.0
  • The Atlas of Worlds has been shuffled. Most maps have changed tier and location within the Atlas.
  • Many map bosses have also shifted around. Some have been retired and replaced!
  • (undocumented ) Second stage of the boss, Merveil, the Returned had been added
3.1.0
  • The entire Atlas has been reworked. Many map names have changed, as have their balance, tier and position on the Atlas. Many maps have also had their boss fights swapped or completely reworked.
  • The rules used to generate monsters in endgame maps have been significantly reworked and rebalanced around the rate at which we expect players to reliably clear out the map. In general, narrow, linear maps will contain fewer total monsters than maps with complex layouts. We will be closely monitoring and adjusting the balance of this change and expect to make further changes and improvements over time.
2.4.0
  • Most existing maps have been revamped to have more balanced monster composition, layouts, boss fights and rewards.
  • (Not in patch note) The layouts were swapped between Underground River Map and Underground Sea Map.
  • (Not in patch note) The Idol Beyond was removed as map boss. Merveil, the Reflection became the new boss
0.10.0
  • The following Map areas have been updated so that they're substantially different in layout to before: Spider ForestSpider Forest MapMap Level: 69
    Map Tier: 4
    Guild Character: Ó
    Travel to this Map by using it in the Templar Laboratory or a personal Map Device. Maps can only be used once.
    , Jungle ValleyJungle Valley MapMap Level: 72
    Map Tier: 7
    Guild Character: 3
    Travel to this Map by using it in the Templar Laboratory or a personal Map Device. Maps can only be used once.
    , Waste PoolWaste Pool MapMap Level: 72
    Map Tier: 7
    Guild Character: 1
    Travel to this Map by using it in the Templar Laboratory or a personal Map Device. Maps can only be used once.
    , Dry WoodsAshen Wood MapMap Level: 71
    Map Tier: 6
    Guild Character: Œ
    Travel to this Map by using it in a personal Map Device. Maps can only be used once.
    , CemeteryCemetery MapMap Level: 67
    Map Tier: 2
    Guild Character: C
    Travel to this Map by using it in the Templar Laboratory or a personal Map Device. Maps can only be used once.
    , MineFlooded Mine MapMap Level: 72
    Map Tier: 7
    Guild Character: 2
    Travel to this Map by using it in the Templar Laboratory or a personal Map Device. Maps can only be used once.
    , Underground SeaUnderground Sea MapMap Level: 74
    Map Tier: 9
    Guild Character: 9
    Travel to this Map by using it in the Templar Laboratory or a personal Map Device. Maps can only be used once.
    , BogBog MapMap Level: 70
    Map Tier: 5
    Guild Character: Ú
    Travel to this Map by using it in a personal Map Device. Maps can only be used once.
    , PlateauPlateau MapMap Level: 75
    Map Tier: 10
    Guild Character: )
    Travel to this Map by using it in the Templar Laboratory or a personal Map Device. Maps can only be used once.
    and DunesDunes MapMap Level: 66
    Map Tier: 1
    Guild Character: U
    Travel to this Map by using it in the Templar Laboratory or a personal Map Device. Maps can only be used once.
    .
0.9.11
  • Introduced to the game
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