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Underground Sea Map
Maps
Atlas Region: Lex Proxima
Map Level: 69
Map Tier: 2, 6, 9, 11, 14
Guild Tag Editor: q
Boss: Merveil, the Reflection
Merveil, the Returned

Upgrade Map: Arsenal Map[T3], Dunes Map[T3], Volcano Map[T3]
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

Act11
Monster Level73
BossMerveil, the Reflection
Merveil, the Returned
Tagscave, indoors_area, map, area_with_water, einharmaps, flooded_area, cave_area
Atlas LinkedJungle Valley Map[T1], Oba's Cursed Trove, Mausoleum Map[T2], Arsenal Map[T3], Dunes Map[T3], Volcano Map[T3]
Upgraded FromJungle Valley Map[T1]
Divination CardGlimmer of Hope
Lysah's Respite
The Cacophony
The Fathomless Depths
The Lover
The Siren
The Survivalist
Treasure Hunter
TopologiesEndGameUndergroundSea_1
EndGameUndergroundSea_2
EndGameUndergroundSea_3

Gilded Cage's Comprehensive Guide to Maps

Clearing Ability5
Mob Count10
Boss Difficulty4
Boss Based OnMerveil (First Form)
Boss notesIce based spells and Chilled ground. Avoid Icestorm and Ice Spear attacks. Take along some form of Freeze immunity.
TilesetMerveil's Caverns
Few Obstaclesx
Boss not in own roomx
Outdoorsx
Linearx
Sextant CoverageW
YYY
LevelNameExperienceDamageAttack TimeLifeArmourEvasionEnergy ShieldResists FireResists ColdResists LightningResists Chaos
73Merveil, the Reflection107779222441.455149005678725676149005640404025
73Merveil, the Returned10777922313.41.5149005678725676149005640404025