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Gnarldor Isle Delve Guide: Location, Boss Strategies, and Trash

Gnarldor Isle Delve Guide: Location, Boss Strategies, and Trash

Last Updated: Jul 23, 2026 - 5:34 PM (4d ago)

This page will cover everything you need to know about the Gnarldor Isle Delve in the Midnight Expansion, including strategies for events, trash, and bosses.

1.

Getting into Gnarldor Isle

Gnarldor Isle is a Delve located in Southern Coiled Isle, on the Eastern portion of the Gnarldor Isle area

This guide will provide all the specifics you need to complete the Gnarldor Isle Delve across all tiers of difficulty (from Tier 1 to Tier 11). We will cover Delve events, optional bosses (rares), as well as information on the possible end-of-the-dungeon bosses and their abilities. If you would like to learn more about the rest of the Delves in Midnight, please see our overviews linked below.

2.

Gnarldor Isle Treasures

Every Delve in Midnight has a number of Sturdy Chests; one-time treasure chests that contain valuable loot. Collecting them all in Gnarldor Isle grants the achievement Gnarldor Isle Discoveries Icon Gnarldor Isle Discoveries, part of the meta achievement Midnight: Leave No Treasure Unfound Icon Midnight: Leave No Treasure Unfound.

Gnarldor Isle Treasure Coordinates
/way 28.44 38.15 Gnarldor Isle Treasure 1 /way 52.41 40.87 Gnarldor Isle Treasure 2 /way 60.43 68.11 Gnarldor Isle Treasure 3
Gnarldor Isle Treasures
# Loot Location
1 Ancient Text Icon Ancient Text (200g) Hidden behind some blocks to the left of the staircase leading to the upper level of the delve.
2 100 Voidlight Marl Icon Voidlight Marl On the northern part of the central level of the Delve, hidden between a tree and a giant pinecone.
3 Delver's Arcane Golem Icon Delver's Arcane Golem On the central level of the Delve, hidden behind a building destroyed by a tree growing inside of it.
3.

Storylines and Trash Mobs in Gnarldor Isle

3.1.

Event #1: Olds and Ends

In this variant we ally ourselves with the Tortollan Tormunda to help rescue elders who have been captured by the raiding Djaradin, while recovering any relics taken by them.

Although the Delve objectives do not directly tell you to kill Djaradin, the relics are dropped by them, or you can just loot them from the ground inside the Delve.

3.2.

Event #2: Minchi's Osseous Adventure

In this storyline we are tasked to investigate bone piles scattered across the Delve, as well as extracting hearts from the Gnarldor Djaradin in the area. A Tortollan kid named Minchi accompanies us on this journey.

After enough research is done in the area, Minchi uses the Djaradin hearts to conduct a ritual to summon a massive Osseus Amalgamation.

3.3.

Event #3: Speaking their Language

In this storyline a Tortollan named Artolla asks us to rescue turtles and ship supplies that were stolen from the Gnarldor Djaradin. As it turns out the kidnapped turtles are siege-trained, and we later use them as war tanks to send a message to the invading Djaradin!

4.

Gralka Snake-Eater Delve Boss Guide

Gralka Snake-Eater is the boss of the Olds and Ends and Speaking Their Language story variant. Gralka is exuding dangerous of poison, but this is an easy fight!

  • Snake Eater Icon Snake Eater is Gralka's main ability. She consumes two snakes to drop an AOE effect, but each snake eaten increases her damage taken by 15%. Kite her away from the poison she drops.
  • Venomblade Slash Icon Venomblade Slash deals damage and poisons you, dealing more damage as Gralka accumulates stacks of Snake-Eater. Not much to do here but heal through it.
  • Purging Breath Icon Purging Breath is Gralka's final attack. She will consume all her stacks of Snake Eater to breathe in a cone in front of her for two seconds per stack. She's stationary while using Purging Breath, so move away from her to not take any damage.
5.

Osseous Amalgamation Delve Boss Guide

The Osseous Amalgamation is the boss of the Minchi's Osseous Adventurer story variant. If you remember Lord Marrowgar from Icecrown Citadel, it is a very similar fight!

  • Frost Strike Icon Frost Strike is the Amalgamation's basic attack that reduces your movement speed for a few seconds. The Amalgamation also gains an absorption shield often via Bone Armor Icon Bone Armor.
  • Bone Storm Icon Bone Storm is the Amalgamation's signature ability. It deals heavy damage up close and must be kited.
  • Bone Spikes Icon Bone Spikes is also fairly dangerous, with the Amalgamation erupting spikes from the ground that stun you if you get caught. Sidestep all graphical indicators and this will be fairly easy to dodge.
Neryssa
Neryssa
Guide Author
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Neryssa is a longtime WoW player. Playing since September/05, she is an expert in collections and open world content, but has touched all corners of the game, including obtaining CE every raid tier. You can follow her on Twitter to touch base or ask for advice.

6.

Changelog

  • 23 Jul. 2026: Guide added.
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