Diablo 4 Duriel: How to Obtain Shards of Agony and Mucus-Slick Eggs

In the treacherous world of Sanctuary, where the battle between the High Heavens and the Burning Hells rages eternally, preparing to confront Diablo 4 Duriel demands both courage and strategic preparation. As one of the most formidable bosses, Duriel, the Lord of Pain, presents a challenge that requires not only skill but also specific items—Shards of Agony and Mucus-Slick Eggs. Obtaining these materials is pivotal for those who aim to not just face but succeed in how to fight Duriel Diablo 4, offering a unique blend of strategy and action that elevates the gaming experience.

This article serves as a comprehensive guide on where to find Mucus-Slick Eggs and Shards of Agony Diablo 4, essential for summoning the formidable Duriel. It further explores the intricacies of the Diablo 4 Duriel mats necessary for this epic encounter, providing players with the knowledge needed to effectively prepare for the battle. From locating the crucial materials to mastering the art of how to summon Duriel Diablo 4, readers will gain valuable insights into overcoming this challenge, setting them up for success in their quest to conquer the darkness that lurks within Sanctuary.

Where to Find Mucus-Slick Eggs

Mucus-Slick Eggs

To acquire Mucus-Slick Eggs in Diablo 4, players must defeat the Echo of Varshan, a formidable endgame boss. These essential items only drop in World Tier 4, requiring players to have high-level characters equipped with robust gear. Here's a detailed breakdown of the process:

Defeating Varshan

  1. Initiate the Encounter: Players can encounter Varshan starting from World Tier 3; however, the Mucus-Slick Eggs are exclusively available in World Tier 4.
  2. Guaranteed Drops: Upon defeating Varshan, the Mucus-Slick Egg is a guaranteed drop, but only the player who summons Varshan receives the egg as a reward.

Gathering Summoning Materials

To summon Varshan, players need to gather specific materials:

  • Gurgling Heads
  • Blackened Femurs
  • Trembling Hands
  • Malignant Hearts

These can be obtained through various means:

  • Completing Tree of Whisper objectives
  • Defeating Grotesque Debtors during events such as the Legion event, World Boss, and Blood Harvest.
  • Utilizing the Alchemist: If a player is missing a specific body part needed for the summon, they can visit the Alchemist to transmute them into a cache to receive another required part.

Once all materials are collected, they must be offered inside the Malignant Burrow to successfully summon Varshan. This battle not only yields the Mucus-Slick Eggs but also provides players with powerful Malignant Rings, enhancing their capabilities for future encounters.

Where to Find Shards of Agony

Shards of Agony

To secure the Shard of Agony in Diablo 4, players must confront and defeat Grigoire within World Tier 4. Although Grigoire is accessible from World Tier 3, the coveted Shard of Agony only becomes available as a drop in World Tier 4. It is important to note that only the player who initiates the summoning of Grigoire will receive the Shard of Agony as a drop.

Defeating Grigoire

  1. Summon Grigoire: This formidable foe can be summoned at the Hall of the Penitent using five Living Steel.
  2. Fight Grigoire: Engage in combat with Grigoire. Ensure you are in World Tier 5 to receive the Shard of Agony, as lower tiers will not yield this valuable item.

Gathering Summoning Materials

To summon Grigoire, players need to collect Living Steel, which can be found during Helltide events:

  • Living Steel Chests: These chests, requiring 300 Aberrant Cinders to open, are your primary source for acquiring Living Steel.
  • Event Participation: Continuously participate in Helltide events and focus on opening Living Steel Chests to gather sufficient materials.

Once players have defeated Grigoire and collected the necessary Shards of Agony, they can proceed to the Gaping Crevasse dungeon. Here, at the Pestilent Altar, players must offer two Shards of Agony along with two Mucus-Slick Eggs to summon and engage Duriel in battle. This preparation is crucial for those aiming to challenge and overcome Duriel in the quest to conquer the darkness within Sanctuary.

How to Summon Duriel

How to Summon Duriel

To summon Duriel in Diablo 4, players must first gather specific materials and prepare for the battle in a designated dungeon location. Here are the detailed steps and requirements:

Required Materials

  1. Shards of Agony: Players need two Shards of Agony, which are obtained by defeating Grigoire, The Galvanic Saint. Each player must summon and defeat Grigoire twice to secure the necessary shards.
  2. Mucus-Slick Eggs: Similarly, two Mucus-Slick Eggs are required, dropped exclusively by the Echo of Varshan. Players should ensure they defeat this boss twice to collect the eggs.
  3. Additional Materials for Tormented Duriel: For those aiming to summon the Tormented version of Duriel, three Stygian Stones are needed. These can be acquired by completing The Pit dungeon in Cerrigar during Season 4 on World Tier 4: Torment difficulty.

Dungeon Location and Battle Preparation

  • Location: The summoning takes place in the Gaping Crevasse dungeon, located south of Gea Kul in Kehjistan. Players must navigate to this dungeon to access the Pestilent Altar, the site for summoning Duriel.
  • Preparation: It is crucial for players to optimize their build for maximum survivability. Given Duriel's level 100 status and potent poison attacks, players should enhance their armor and resistance. Incorporating poison-resistant gear and emeralds for additional resistance is advisable.
  • Summoning Process: At the Pestilent Altar, players need to deposit the collected Shards of Agony and Mucus-Slick Eggs to initiate the summoning ritual. This action triggers the battle with Duriel, challenging players to utilize their skills and strategic planning effectively.

Players are reminded that they can only carry one copy of each material at a time, and these materials are lost upon death or disconnection. Therefore, managing these items with care and minimizing risks during the summoning process is essential.


Throughout this guide, we have journeyed through the dark and perilous paths of Sanctuary, unveiling the critical strategies and locations needed to obtain the Shards of Agony and Mucus-Slick Eggs essential for summoning Duriel in Diablo 4. This quest is not for the faint of heart; it demands persistence, skill, and an understanding of the sinister forces at play. By meticulously gathering the necessary materials through defeating formidable foes like the Echo of Varshan and Grigoire, players can gear up for the ultimate confrontation against Duriel, the Lord of Pain, armed not just with weapons but with knowledge and preparation.

The battle with Duriel is more than a test of strength; it's a rite of passage that signifies the player's resilience and tactical acumen in the face of overwhelming darkness. With the gathered insights on how to effectively prepare for and engage in this epic encounter, players are now better equipped to face Duriel and emerge victorious. This guide stands as a beacon for those brave warriors who seek to challenge the darkness within Sanctuary, offering them a fighting chance to claim victory and etch their names in the annals of Diablo 4 lore.




Q: What is the method to obtain Mucus-Slick Eggs in Diablo 4?
A: Mucus-Slick Eggs can only be obtained by defeating the Echo of Varshan. It's important to note that this boss becomes available in World Tier 3 but will only drop the eggs in World Tier 4.

Q: How many Mucus-Slick Eggs are required to summon Duriel?
A: To summon Duriel, the King of Maggots, you will need two Mucus-Slick Eggs and two Shards of Agony.

Q: How can one acquire Shards of Agony in Diablo 4?
A: Shards of Agony are exclusively obtained by defeating Grigoire, The Galvanic Saint, who can be found in the Hall of the Penitent located in the eastern part of Dindai Flats, and only in World Tier 4.

Q: What is the quickest way to farm Mucus-Slick Eggs?
A: To farm Mucus-Slick Eggs quickly, focus on completing Grim Favors and collecting Malignant Body Parts. This allows you to repeatedly summon and defeat Varshan, thereby accumulating a substantial amount of Mucus-Slick Eggs.

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