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Rainbow in the Dark

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Rainbow in the Dark is the 2nd quest in The Thirteenth Eclipse story arcIcon tooltip.pngStory arcs  are chains of quests that make up a story line.
Completing everything in a story arc often yields a nice reward.
The first five quests can be completed in any order to unlock The Shroud.
Flagging occurs by collecting dedicated items rather than completing these quests.
Running with the Devils • Rainbow in the Dark • Ritual Sacrifice • Let Sleeping Dust Lie • The Coalescence Chamber • The Shroud

The Den of Obscurity is a dark, treacherous series of caverns largely untouched by man for thousands of years.

The Vale of Twilight adpack icon.jpg
DDO Point icon.png Requires access to adventure pack: The Vale of Twilight
Rainbow in the Dark
Heroic level: 16
Epic level: None
Duration: Very Long
Heroic XP:  ♣4,860Solo/Casual ♦8,433Normal ♥8,766Hard ♠9,099Elite
Epic XP: N/A
Takes place in: Den of Obscurity
Bestowed by: Walk-up
NPC contact: Walther Daedal
Quest acquired in: The Vale of Twilight
Patron: The Twelve
Base favor: 8
Purchase: The Vale of Twilight or VIP
Extreme Challenge: No
M rainbow in the dark.png
Loading screen


While exploring the Vale of Twilight, you happened on the Den of Obscurity. The underground lair will prove difficult to traverse due to its lack of light.

  • This is a walk-up quest, automatically bestowed by reaching the Den of Obscurity. The reward NPC (Walther Daedal) is located in Meridia – go up the ramp on the north side of the temple to the tavern area; Walther is in the northeast corner.

Spoiler Warning: Spoiler material below this point!


  • Pick up the illuminated sceptre
  • Explore the Den of Obscurity
  • Place scorpion crest in socket
  • Solve the secret of the Rainbow
  • Search the chamber for treasure
  • Defeat the ancient guardian
  • (Optional) Slay Memnezerez — Bonus (20%): Heroic( ♣972 ♦1,687 ♥1,753 ♠1,820 )

What to Expect

  • A near pitch-black dungeon environment! There is almost no light for the majority of the twisting and treacherous path, so party must rely on (and stay close to!) one player with a "torch", the Radiant Arc, provided at the start of the quest (see Tips below).
  • Collapsible floors
  • Spawning/respawning monsters
  • Puzzles (mandatory: rainbow puzzle and optional: clock-like puzzle)

Known Traps

Trap DCs

  • Traps (random)
  • Pike covered Pit traps (Like ones in the Reaver's Fate)
  • Button (random) in intersections summon fire elementals
  • Trapped portal randomly before the shrine, can be disabled, otherwise you need to kill the elementals to be teleported back.
  • Three traps on the way to the optional Locked chest.

Tips and Misc

  • Rainbow puzzle: Simply jump on each button until it's lit in the color desired. With the door in front of you, starting on the left end: set the colors to Red, Orange, Yellow, Green, Blue, Indigo, Violet. (To help people that have color vision deficiency, an on-screen caption will display the color you've just set.) Some people get fancy by un-lighting all the buttons, then running down the row repeatedly, skipping one more button on each run, but this isn't necessary.
  • Clock puzzle: The lever that makes the floor fall is random. Russian roulette, one mistake and you're falling onto lots of pointy things.
  • A chest found behind a hidden door, leading to long (southernmost hallway) room, requires a strong Search and Disable Device DC to find and disable the Control panels for the traps that cause the floor to fall, making chest access impossible. Keep the rest of the party out of that room as your Rogue or Artificer does their work.

Basic walkthrough

  • Have someone with a free hand grab the Radiant Arc and wield it.* Go straight ahead slowly and kill stuff – the mobs you get depend on the instance but tend to be in small groups. Jump down the hole when you get to it, turn around and basically follow the path east back the way you've come – except you're on the lower level now. The path will curve to the south.
(* Probably a caster, 1-hand fighter, or just your lowest DPS character.)
  • When you get to the intersection, go left (east). Watch out for the button on the floor if there is one in your instance. A short way down the corridor, there is a three-way intersection. Turn right (south) if you want to try for the "clock puzzle" chests, or fight your way down the rest of the corridor and get the Crest of the Scorpion. Fight your back to the first intersection or cast Dimension Door and kill off the stuff that has respawned.
  • When you get to the intersection again, go west. Fight your way down the corridor, put the crest in the door and eventually you'll get to a shrine. When you approach the shrine, you'll be teleported to a small room where you will need to kill four Fire Elementals. Once you've dispatched them, you'll be teleported back to the shrine.
  • Continuing south past the shrine are a bunch of windlasher gnolls. Take them out and turn right (west). Keep going until you get to the silver key. There is a boarded up passage here – smash down the boards if you want to go for the optional Beholder chest.
  • Go back to the gnoll intersection. Turn right (south) and cross the pit.
  • At the next intersection, either:
    • Go right (west) if you have a rogue who can disable the traps. If you can't disable the traps, you will not be able to access the locked chest.
    • Go left (east) towards the end of the quest. Complete the puzzle, park the Radiant Arc, buff yourselves senseless, defeat end boss Turun-Palo (red-named Fire Elemental, CR29 on Elite) and loot the chest.

Bonus XP

  • Aggression bonus: 33 or more monsters killed +10% Bonus.( ♣486 ♦843 ♥877 ♠910 )
  • Onslaught bonus: 67 or more monsters killed +15% Bonus.( ♣729 ♦1,265 ♥1,315 ♠1,365 )
  • Conquest bonus: 100 or more monsters killed +25% Bonus.( ♣1,215 ♦2,108 ♥2,192 ♠2,275 )
  • Tamper bonus: 3 or more traps disarmed +10% Bonus.( ♣486 ♦843 ♥877 ♠910 )
  • Neutralization bonus: 4 or more traps disarmed +20% Bonus.( ♣972 ♦1,687 ♥1,753 ♠1,820 )
  • Ingenious Debilitation bonus: 5 (Hard/Elite: 7) or more traps disarmed +30% Bonus.( ♣1,458 ♦2,530 ♥2,630 ♠2,730 )
  • Perception bonus: 2 or more secret doors discovered +10% Bonus.( ♣486 ♦843 ♥877 ♠910 )



Name ( picture ) CR Type Race
Agorthony( view
 • edit )
 ♦18Normal ♥22Hard ♠28Elite Evil Outsider Devil
Ancient Fire Elemental( view
Ancient Fire Elemental.png
 • edit )
 ♥16Hard ♠19Elite ♠34Epic Elite Elemental Fire Elemental
Ancient Stone Golem( view
Ancient Stone Golem.png
 • edit )
 ♦16Normal ♠23Elite Construct Golem
Bearded Devil( view
Bearded Devil.jpg
 • edit )
 ♦15Normal ♠20Elite ♦32Epic Normal Evil Outsider Devil
Dense Stone Earth Elemental( view
Dense Stone Earth Elemental.png
 • edit )
 ♠23Elite Elemental Earth Elemental
Elder Beholder( view
Elder Beholder.jpg
 • edit )
 ♦17Normal ♥19Hard ♠22Elite Aberration Beholder
Ferocious Rust Monster( view
Ferocious Rust Monster.png
 • edit )
 ♠21Elite Aberration Rust Monster
Fiend-Blood Scorpion( view
Fiend-Blood Scorpion.jpg
 • edit )
 ♦12Normal ♠17Elite Magical Beast Scorpion
Fiend-Blood Troglodyte Ranger( view
Fiend-Blood Troglodyte Ranger.jpg
 • edit )
 ♦15Normal ♠22Elite ♥22Epic Hard ♠34Epic Elite Reptilian Troglodyte
Fiend-Blood Troglodyte Stalker( view
Fiend-Blood Troglodyte Stalker.jpg
 • edit )
 ♦15Normal ♠22Elite Reptilian Troglodyte
Fiend-Blood Troglodyte Theurge( view
Fiend-Blood Troglodyte Theurge.jpg
 • edit )
 ♦16Normal ♠23Elite Reptilian Troglodyte
Fiend-Blood Troglodyte Warmaster( view
Fiend-Blood Troglodyte Warmaster.jpg
 • edit )
 ♦16Normal ♠23Elite Reptilian Troglodyte
Fiend-Blood Troll( view
Fiend-Blood Troll.jpg
 • edit )
 ♦16Normal ♠23Elite Giant Troll
Fierce Rust Monster( view
Fierce Rust Monster.png
 • edit )
 ♠18Elite Aberration Rust Monster
Gelatinous Cube( view
Gelatinous Cube.jpg
 • edit )
 ♦18Normal ♥21Hard ♠23Elite Ooze Gelatinous Cube
Memnezerez( view
 • edit )
 ♦18Normal ♥22Hard ♠26Elite Aberration Beholder
Orthon( view
 • edit )
 ♦12Normal ♥15Hard ♠20Elite Evil Outsider Devil
Spotted Twilight Hyena( view
Spotted Twilight Hyena.jpg
 • edit )
 ♦15Normal Animal Hyena
Stone Scorpion( view
Stone Scorpion.png
 • edit )
 ♦15Normal ♠20Elite Construct Golem
Striped Twilight Hyena( view
Striped Twilight Hyena.jpg
 • edit )
 ♦14Normal ♠19Elite Animal Hyena
Tormented Shadow( view
Tormented Shadow.jpg
 • edit )
 ♠21Elite Undead Shadow
Turun-Palo( view
 • edit )
 ♦19Normal ♥23Hard ♠29Elite Elemental Fire Elemental
Twilight Bat( view
Twilight Bat.png
 • edit )
 ♠17Elite Animal Bat
Windlasher Austere( view
Windlasher Austere.jpg
 • edit )
 ♦16Normal ♠23Elite Gnoll Gnoll
Windlasher Conjurer( view
Windlasher Conjurer.jpg
 • edit )
 ♦16Normal ♠23Elite Gnoll Gnoll
Windlasher Evincer( view
Windlasher Evincer.jpg
 • edit )
 ♦12Normal ♠17Elite Gnoll Gnoll
Windlasher Harbinger( view
Windlasher Harbinger.jpg
 • edit )
 ♦16Normal ♠23Elite Gnoll Gnoll
Windlasher Recluse( view
Windlasher Recluse.jpg
 • edit )
 ♦12Normal ♠17Elite Gnoll Gnoll
Windlasher Savage( view
Windlasher Savage.jpg
 • edit )
 ♦14Normal ♠19Elite Gnoll Gnoll
Windlasher Typhoon( view
Windlasher Typhoon.jpg
 • edit )
 ♦14Normal ♠23Elite Gnoll Gnoll
Windlasher Veteran( view
Windlasher Veteran.jpg
 • edit )
 ♦12Normal ♠17Elite Gnoll Gnoll

External Links

Aldbar's Solo Walkthrough & Guide


  • Several of the Vale quest names are references to song names from the 1970s and 1980s hard rock/heavy metal bands: