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Escort the Expedition

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House Deneith staked a fortune on this venture. But is the Library of Threnal a storehouse of treasures or a trap for the unwary?

Ruins of Threnal adpack icon.jpg
DDO Point icon.png Requires access to adventure pack: Ruins of Threnal
Escort the Expedition
Heroic level: 10
Epic level: None
Duration: Very Long
Heroic XP:  ♣2,570Solo/Casual ♦4,512Normal ♥4,747Hard ♠4,963Elite
Epic XP: N/A
Takes place in: The Library of Threnal
Bestowed by: Sal Danel
NPC contact: Sal Danel
Quest acquired in: Ruins of Threnal
Patron: House Phiarlan
Base favor: 6
Free to Play: No
Extreme Challenge: No
M escort the expedition.png
Loading screen


Now that the Library of Threnal has been rediscovered, escort the mage Coyle and his fellow House Deneith explorers to its location. Coyle must survive to set up the magical beacon that will allow House Deneith to teleport men and supplies directly to the site.

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


  • Escort Coyle Lovell to the Library of Threnal
  • Open the door to the Library of Threnal
  • Enter the Library of Threnal
  • Slay Basthuul
  • (Optional) Escort Coyle's fellow explorers to the Library of Threnal — Bonus (10%): Heroic( ♣257 ♦451 ♥475 ♠496 )

What to Expect

  • Traps (fixed)
  • Quest failure (if Coyle dies)
  • Protect NPCs (mandatory: 1 and optional: 2)
  • Runes (optional: 2, require INT and WIS checks; can be bypassed with Spot or Detect Secret Doors)
  • Lever (optional: 1, requires STR check)

Known Traps

  • Two Horizontal Blade Traps; boxes are on the north (left) wall before each trap
  • One Sonic Trap, fires continuously; box is on the south (right) wall before the trap
  • One Spike trap, easily timed; no box

Tips and Misc

  • Useful elemental buffs:
    • Acid
    • Cold
    • Fire
    • Sonic
  • Step 1: Get Coyle & Co. to (or near) the library door (see below).
    • Coyle Lovell, the NPC you love to hate. Keep him 1-1/2 inch (mini-map) away from the group for safety.
      • If you have a party member who can stay far in back, have them talk to Coyle & Co. and keep them well away from the fighting.
    • The first passage south only has a few fire mephits; the second one takes you past WF clerics, a rust monster, and air mephits.
    • There's an ambush near the entrance which is triggered once someone reaches the 2 clay golems (in the square-ish room where the cavern tunnels end). If you leave Coyle & Co. at the entrance while you clear a path, make sure to go back and get them before the golems get activated.
    • The library door is locked by 2 signal crystals, requiring you to flip 2 levers 1 each found north and south. But before that, you have to get Coyle to the door. Hold him back while somebody trips the sonic traps.
      • Once Coyle is at/near the locked library, the two blocked doors (leading north and south) will break open, with an earth elemental coming through each. Kill *both* earth elementals, or Coyle will bravely die fighting the one you skipped.
    • In the final hallway to the library (with the sonic trap), there are some bookshelves to the south. Do *not* have Coyle and company follow you in there - they are not smart enough to get out (although it is possible to slowly push them out).
    • You can lead Coyle & Co. a bit away from the door itself, nearer the intersection, so they are away from the end fight when the door is open. They will be safe there from respawns.
  • North:
    • The second shrine in the north wing is opened by a lever up the stairs in the large room.
    • The alcove behind the secret door with the northern rune lever is empty.
  • South:
    • The first lever has a Str check (17-18) to reach the chest.
    • South of the STR lever is another lever which opens the way forward. This is protected by a single row of spike traps - easily timed, and also disabled by the lever.
  • Bug: Allowing the NPC party (Coyle and his guards) to follow you along the bridge in the Southern Room can cause him to get stuck on the environment and prevent quest advancement.
  • Bug: Killing Basthuul from a distance before the objective appears prevents quest completion.

Bonus XP

  • Mischief bonus: 61 or more breakables smashed +8% Bonus.( ♣206 ♦361 ♥380 ♠397 )
  • Vandal bonus: 80 or more breakables smashed +10% Bonus.( ♣257 ♦451 ♥475 ♠496 )
  • Ransack bonus: 98 or more breakables smashed +15% Bonus.( ♣386 ♦677 ♥712 ♠744 )
Notes: To reach the kill bonuses it is required to kill respawns. The Glass Spider and Rust Monster before the first trap respawn every 3 minutes, as well as the two Flesh Renders by the northern lever that controls a crystal to open the Library door.


  • Chests: Four
  • Two in the northeast room, upon killing the iron golem guarding them. The lever to open the gate is in the central pool.
  • One just past the south door, behind bars opened a lever (17-18 STR required)
  • One a little farther south, behind a secret door. The runes are optional here - if you don't have a good Spot, Search or Detect Secret Doors, you can use the runes to reveal and open the door (17-18 WIS *and* 13-16 INT required for this).
  • Collectables: Five (all in the north wing of the ruins)
    • Alchemy Table near the first shrine
    • Alchemy Table in the corner to the east
    • Alchemy Table in the northern-most room
    • Two Alchemy Tables (oddly set into the floor) in the room with the rune lever
  • NPC rewards: None, until after completing the third quest in the Eastern Excavation.


Name(picture) CR Type Race
 ♦17Normal ♥19Hard ♠21Elite Evil Outsider Demon
Brown Spider Prince(view)
Brown Spider Prince.jpg
 ♦5Normal ♥8Hard ♠10Elite Vermin Spider
Clay Golem(view)
Clay Golem.jpg
 ♦10Normal Construct Golem
Flesh Render(view)
Flesh Render.png
 ♦12/14Normal ♠17Elite Evil Outsider Demon
Glass Spider Queen(view)
Glass Spider Queen.jpg
 ♠14Elite Vermin Spider
Granite Gargoyle(view)
Granite Gargoyle.jpeg
 ♦8Normal ♠13Elite ♦22Epic Normal Monstrous Humanoid Gargoyle
Huge Rust Monster(view)
Huge Rust Monster.jpg
 ♦8Normal ♥11Hard ♠14Elite Aberration Rust Monster
Iron Golem(view)
Iron Golem.jpg
 ♠18Elite Construct Golem
Large Earth Elemental(view)
Large Earth Elemental.jpeg
 ♦5Normal ♥7Hard ♠9Elite Elemental Earth Elemental
Mephit of Fernia(view)
Mephit of Fernia.jpg
 ♦9Normal ♠14Elite Fire Outsider Mephit
Mephit of Lamannia(NoPic)
No pic.jpg
 ♦9Normal ♠14Elite ♦22Epic Normal Air Outsider Mephit
Mephit of Risia(view)
Mephit of Risia.jpg
 ♦9Normal ♠14Elite Air Outsider Mephit
Thaarak Hound(view)
Thaarak Hound.jpg
 ♦12Normal ♠15Elite ♦21Epic Normal Evil Outsider Hellhound
Warforged Death Priest(view)
Warforged Death Priest.jpg
 ♠12Elite Living Construct Warforged

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