The Shadow Reef

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This article has a strategy guide.
All information on mechanics, setups, and strategy are on the subpage.
"ED3" redirects here. For the Invention perk, see Enhanced Devoted.
For the achievement, see Shadow Reef (achievement).

The Shadow Reef, also known as Ulthven Kreath, is the third elite dungeon, a 1-3 player combat/narrative experience that rewards unique loot and Dungeoneering experience and tokens. The Shadow Reef is accessed from the eastern shore of Daemonheim. The Grouping System is required in order to form a team of 2-3 players. There are no hard requirements to access the dungeon.

The dungeon contains 22 achievements, 16 minibosses, and 3 bosses: The Crassian Leviathan, Taraket the Necromancer, and The Ambassador.

Getting there[edit | edit source]

Background[edit | edit source]

Ulthven Kreath is an ancient underwater sunken temple, once built and inhabited by Dragonkin, first encountered in the Pieces of Hate quest, where the player fights Rabid Jack. After the quest, the temple may be revisited using a rowboat at the south-west beach of Mos Le'Harmless.

Four murals can be found on western wall of the temple which must be deciphered in the following order: Thieving, Agility, Firemaking, and Construction. Each mural requires level 85 (not boostable) to decipher and grants 50,000 experience in its respective skill. Doing so unlocks the Roake Kal achievement and is a requirement for the master quest cape. If player does not have the level (level 85 in the relevant skill) for a mural, they will not be able to decipher the succeeding murals.

During the fight with Rabid Jack, a large black hand (speculated to be Xau-Tak) will appear in the large hole in the middle of the temple. This hole is a portal to another world or dimension but it is closed with a giant stopper at the end of the quest after Rabid Jack lowers himself into the hole.

This part of the temple is visited during the elite dungeon raid, and as such the murals can be deciphered and inspected much like the quest-only instance.

Murals[edit | edit source]

The murals explain the lore behind the temple and contain some short phrases in the Dragonkin language.

Transcript[edit | edit source]

Rewards[edit | edit source]

The monsters inside the dungeon drop a variety of items, with the unique items being:

Item Description G.E price Monster
Kranon's Ancient Journal.png: Inventory image of Kranon's Ancient Journal Kranon's Ancient Journal Lore book required for the The Shadow Thief feat. N/A Taraket the Necromancer
The Last Offering.png: Inventory image of The Last Offering The Last Offering Lore book required for the The Shadow Thief feat. N/A Crassian Leviathan
Black stone arrow tips.png: Inventory image of Black stone arrow tips Black stone arrow tips Can be used on Elder headless arrow to make tier 92 Black stone arrows. 2,288 Crassian Leviathan
Taraket the Necromancer
The Ambassador
Onyx dust.png: Inventory image of Onyx dust Onyx dust Can be transmuted into an uncut onyx 13,180 All monsters
Black stone heart.png: Inventory image of Black stone heart Black stone heart Can be used to create three sigils (Demon, Dragon, and Undead slaying sigils) 103,162 All monsters
Ragefire gland.png: Inventory image of Ragefire gland Ragefire gland Used to upgrade ragefire boots into hailfire boots. 16,297,665 All monsters
Darting shadow.png: Inventory image of Darting shadow Darting shadow Can be disassembled for 10 swift components. N/A All monsters
Shadowy egg.png: Inventory image of Shadowy egg Shadowy egg Unlocks the Squoggoth pet 1,000,000 Extremely rare drop from dungeon-themed lucky charms
Swordy McSwordFace.png: Inventory image of Swordy McSwordFace Swordy McSwordFace Tier 80 2-handed weapon 50,000,000 Bossy McBossFace
Demonic title scroll (the deceiver).png: Inventory image of Demonic title scroll (the deceiver) Demonic title scroll (the deceiver) Unlocks the [Name] the Deceiver title 5,000,000 Yor'Ger the Deceiver
Eldritch crossbow limb.png: Inventory image of Eldritch crossbow limb Eldritch crossbow limb[1][2] A component used to create the Eldritch crossbow. 535,029 The Ambassador
Eldritch crossbow stock.png: Inventory image of Eldritch crossbow stock Eldritch crossbow stock[1][2] A component used to create the Eldritch crossbow. 512,928 The Ambassador
Eldritch crossbow mechanism.png: Inventory image of Eldritch crossbow mechanism Eldritch crossbow mechanism[1][2] A component used to create the Eldritch crossbow. 492,473 The Ambassador
Umbral urn.png: Inventory image of Umbral urn Umbral urn Unlocks the unlock the Ambassador boss pet, Ambi. N/A The Ambassador
Elite chest.png: Inventory image of Elite chest Elite chest Contains Ancient scales, Draconic energy, and Black stone arrow tips. Obtained when all three elite dungeons are completed in consecutive order. N/A The Ambassador
  1. ^ a b c The pieces will drop in order, starting from a randomly selected first piece.
  2. ^ a b c Jagex. Mod Orion's Twitter account. 10 February 2019. (Archived from the original on 10 February 2019.)

Music unlocked[edit | edit source]

Achievements[edit | edit source]

Some achievements can be done in both story mode and normal mode, some only in normal mode.

There are 24 achievements in this elite dungeon (showing 24).

Gallery[edit | edit source]

Update history[edit | edit source]

The update history project is a work-in-progress - not all updates to this topic may be covered below. See here for how to help out!

Trivia[edit | edit source]