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Don't Drink the Water

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The Eveningstar well has become poisoned. No doubt, the Drow are responsible somehow. Speak Unmar Halberg, the stonemason, in Eveningstar, and he will lower you into the well so that you can investigate.

Menace of the Underdark adpack icon.jpg
DDO Point icon.png Requires access to adventure packIcon tooltip.png: Menace of the Underdark
Don't Drink the Water
Heroic level: None
Epic level: 22
Duration: Long
Heroic XP: N/A
Epic XP:  ♣8,351Icon tooltip.pngSolo/Casual ♦14,373Icon tooltip.pngNormal ♥14,828Icon tooltip.pngHard ♠15,282Icon tooltip.pngElite
Takes place in: The Eveningstar Well
Bestowed by: Unmar Halberg
NPC contact: Unmar Halberg
Quest acquired in: Eveningstar
Patron: Purple Dragon Knights
Base favor: 8
Free to Play: No
Extreme Challenge: No
M don't drink the water.png
Loading screen


The Eveningstar well has become poisoned. No doubt, the drow are responsible somehow. Speak Unmar Halberg, the stonemason, in Eveningstar, and he will lower you into the well so you can investigate."

Spoiler Warning: Information below this point can be considered spoiler material!


  • Find the poison's source upstream
  • Pass the Yuan-ti Barrier
  • Pass the second Yuan-ti Barrier
  • Pass the third Yuan-ti Barrier
  • Discover how the Yuan-ti are poisoning the water
  • (Optional) Search the Yuan-ti's secret chest — Bonus (5%): Epic( ♣418 ♦719 ♥741 ♠764 )
  • (Optional) Heal the Dryad Trees without killing the Dryads — Bonus (7%): Epic( ♣585 ♦1,006 ♥1,038 ♠1,070 )

What to Expect

  • Point of no return

Tips and Misc

  • Buffs: Fire resist for Yuan-ti casters, acid for end fight.
  • The Yuan-ti secret chest is in the eastern dead-end section under the waterfall. You must swim through a short underwater passage to find this area. You will swim against the current for a very short segment; a Swim score as low as 2 will be sufficient to advance, however that will take some time - some form of Underwater Action may be advised.
    • The chest is guarded by a few Yuan-ti
    • The chest is locked Lock DC,
    • The healing elixir for the opyional to heal the trees is inside this chest.
  • Optional - Heal the Dryad Trees: If you opened the secret chest (above), click the tree roots and use the dialog.
    • There are two trees, one by the shrine and one by the second barrier.
    • This also causes the hostile dryad to switch sides and fight your enemies instead.
  • There are three Yuan-ti barriers. Each is guarded by a boss. You must fight off waves of Yuan-ti (three waves on normal) before the boss fights you.
    • The second shrine doesn't spawn until the fight for that last barrier is over. Immediately after this is a drop down and point of no return (without Dimension Door and a long run) - use it or lose it.
  • The green pools of liquid are acid. They aren't very big, so it should be easy to avoid them.
  • There is a final res shrine after the boss is dead.

Bonus XP

  • Aggression bonus: 51 or more monsters killed +10% Bonus. No experience numbers available.
  • Onslaught bonus: 65 or more monsters killed +15% Bonus. No experience numbers available.
  • Conquest bonus: 80 or more monsters killed +25% Bonus. No experience numbers available.


  • Chests: 4
    • 2 on ledges that require jumping
    • 1 optional for Search the Yuan-ti's secret chest
    • 1 for killing Tharmalos (Green Dragon) at the end - Chance of random commendation and Flawless Green Dragon Scale
  • Collectables: Four
    • Adventurer's Pack shortly before the secret chest.
    • Bones in a crevice to the east before the Yuan-ti's second barrier
    • Adventurer's Pack on a ledge past the second chest on a ledge
    • Adventurer's Pack in the southeast corner of Tharmalos' lair
  • NPC rewards: NPC rewards: Standard, Select from 8


Name(picture) CR Type Race
 ♦27Icon tooltip.pngEpic Normal ♥31Icon tooltip.pngEpic Hard ♠48Icon tooltip.pngEpic Elite Dragon Green Dragon
Dire Bear(view)
Monster DireBear official.png
 ♠26Icon tooltip.pngElite Animal Bear
 ♦25Icon tooltip.pngEpic Normal ♠46Icon tooltip.pngEpic Elite Monstrous Humanoid Yuan-ti
 ♦24Icon tooltip.pngEpic Normal ♠44Icon tooltip.pngEpic Elite Monstrous Humanoid Yuan-ti
 ♦25Icon tooltip.pngEpic Normal ♠46Icon tooltip.pngEpic Elite Monstrous Humanoid Yuan-ti
Dryad Tree(view)
Dryad Tree.jpg
 ♦20Icon tooltip.pngEpic Normal ♥25Icon tooltip.pngEpic Hard ♠39Icon tooltip.pngEpic Elite Fey Dryad
CRs missing! Fey Dryad
 ♦9Icon tooltip.pngNormal ♦18/21Icon tooltip.pngEpic Normal ♥24Icon tooltip.pngEpic Hard Elemental Muckman
Vine Horror(view)
Vine Horror.jpg
 ♠25Icon tooltip.pngElite ♦21Icon tooltip.pngEpic Normal ♥28Icon tooltip.pngEpic Hard ♠53Icon tooltip.pngEpic Elite Plant Vine Stalker
Water Elemental(view)
Water Elemental.jpg
CRs missing! Elemental Water Elemental
Yuan-ti Abomination(view)
Yuan-ti Abomination.jpg
CRs missing! Monstrous Humanoid Yuan-ti
Yuan-ti Sharp-Eye(view)
Yuan-ti Sharp-Eye.jpg
 ♦23Icon tooltip.pngEpic Normal ♠43Icon tooltip.pngEpic Elite Monstrous Humanoid Yuan-ti

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