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How to summon endgame bosses in Diablo 4

Here are the rewards for Varshan, Grigoire, and more

Key art for endgame bosses in Diablo 4 season 2 Image: Blizzard/Activision

Five new endgame bosses were added to in Diablo 4 in season 2, but as of season 3, they’re now simply part of the furniture. Each of these bosses force you to make the most of your elemental resistances to win; in return, you’ll obtain new Uniques (and even Uber Uniques).

Summoning the five bosses — Echo of Varshan; Grigoire, the Galvanic Saint; the Beast in Ice; Lord Zir, the Dark Master; and Zuriel, the King of Maggots — requires different parameters for each. These bosses will also be available in the Eternal Realm, by the way, meaning you can tackle them even if you don’t want to participate in any of Diablo 4’s seasons.

Here are all the endgame bosses in Diablo 4. We’ve also provided details on how to summon each boss plus a rundown of the rewards you can get for defeating them.


How to summon Echo of Varshan

Echo of Varshan is available on both World Tier 3 and World Tier 4, with different requirements to summon for each World Tier.

If you’re playing on World Tier 3, you’ll need to obtain Malignant Body Parts from Grotesque Debtors from Whisper Caches. You can obtain Whisper Caches by offering 10 Grim Favors to the Tree of Whispers. If you want to fight the Echo of Varshan on World Tier 4, you will also need a Malignant Heart to tackle this boss.

Echo of Varshan rewards

  • Barbarian: Field of Crimson, 100,000 Steps, Gohr’s Devastating Grip
  • Druid: Mad Wolf’s Glee, Vasily’s Prayer, Greatstaff of the Crone
  • Necromancer: Bloodless Scream, Deathless Visage, Deathspeaker’s Pendant
  • Rogue: Condemnation, Eyes in the Dark, Skyhunter
  • Sorcerer: Staff of Endless Rage, Esu’s Heirloom, Raiment of the Infinite
  • All Classes: Mother’s Embrace, Frostburn
  • Cosmetic: Flesh-Weld Rod Trophy

How to summon Grigoire, the Galvanic Saint

Grigiore raises a staff in key art for Diablo 4 season 2. Image: Blizzard/Activision

Grigoire can be encountered on World Tier 3 and World Tier 4. The element for this boss is Lightning, so make sure to stock up on Lightning resistance Elixirs or slot some Topazes into your gear before you take on this boss.

You’ll need to obtain Living Steel from Tortured Offerings in Helltides to fight Grigoire. Helltides become accessible once you are able to jump into World Tier 3 and are designated by a red marker that features a sword surrounded by fire.

Grigoire, the Galvanic Saint rewards

  • Barbarian: Ramaladni’s Magnum Opus, Rage of Harrogath, Ancients’ Oath, Battle Trance, The Butcher’s Cleaver
  • Druid: Insatiable Fury, Hunter’s Zenith, Waxing Gibbous, The Butcher’s Cleaver
  • Necromancer: Blood Artisan’s Cuirass, Howl from Below, Greaves of the Empty Tomb
  • Rogue: Word of Hakan, Grasp of Shadow, Windforce
  • Sorcerer: Staff of Lam Esen, Iceheart Brais, Gloves of the Illuminator
  • All Classes: Penitent Greaves
  • Cosmetic: Demonbinder Mount Armor

How to summon the Beast in Ice

The Beast in Ice roars in a cave in Diablo 4. Image: Blizzard/Activision

The Beast in Ice can be encountered in World Tier 4. As one would expect, its element is Ice, which means you will want to boost your Ice resistance as much as possible before using your Glacial Fissure Nightmare Sigil. Naturally, this boss will be weak to fire, so if you’re a Sorcerer, get ready to whip out those Hydras.

In order to summon The Beast in Ice, you’ll need to collect Distilled Fear, which you can obtain by tackling Tier 30 or higher Nightmare Dungeons. Once you’ve collected your Distilled Fear, you can then head over to any Occultist to craft a Glacial Fissure Nightmare Sigil to challenge the Beast in Ice.

The Beast in Ice rewards

  • Barbarian: Fields of Crimson, 100,000 Steps, Ancients’ Oath, Battle Trance, Hellhammer
  • Druid: Insatiable Fury, Hunter’s Zenith, Waxing Gibbous, Storm’s Companion
  • Necromancer: Bloodless Scream, Howl from Below, Deathspeaker’s Pendant, Ring of Mendeln
  • Rogue: Condemnation, Word of Hakan, Windforce, Eaglehorn
  • Sorcerer: Staff of Lam Esen, Esu’s Heirloom, Gloves of the Illuminator, The Oculus
  • All Classes: Frostburn, Mother’s Embrace, Fists of Fate, Tassets of the Dawning Sky
  • Cosmetics: Skull Torch Mount Trophy, Fell Steed Mount Trophy

How to summon Lord Zir (The Dark Master)

Lord Zir, also known as The Dark Master, can be challenged at World Tier 4.

In order to summon Lord Zir you will need to acquire Exquisite Blood (which you will need multiples of) from Legion Events and World Bosses. Thankfully, Legion Events and World Bosses are relatively easy to spot on the map. Legion Events are marked with a giant red circle, and if you are in the area of a World Boss you will see a timer appear on the right-hand side of your screen.

Lord Zir, the Dark Master, rewards

  • Barbarian: Ramaladni’s Magnum Opus, Rage of Harrogath, Gohr’s Devastating Grips, Overkill, The Butcher’s Cleaver
  • Druid: Mad Wolf’s Glee, Vasily’s Prayer, Greatstaff of the Crone, Fleshrender, The Butcher’s Cleaver
  • Necromancer: Blood Artisan’s Cuirass, Deathless Visage, Greaves of the Empty Tomb, Lidless Wall
  • Rogue: Grasp of Shadow, Eyes in the Dark, Skyhunter, Asheara’s Khanjar
  • Sorcerer: Staff of Endless Rage, Iceheart Brais, Raiment of the Infinite, Esadora’s Overflowing Cameo
  • All Classes: Penitent Greaves, Razorplate, Temerity
  • Cosmetics: The Diadem of the Ancient Helm

How to summon Duriel, King of Maggots

Duriel the King of Maggots stands grossly in key art for Diablo 4 season 2. Image: Blizzard/Activision

The infamous Duriel can only be encountered on World Tier 4, and is a little more complicated to get access to by comparison to other bosses in Diablo 4. You’ll want to make sure you’ve stacked a considerable amount of Poison resistance before jumping into the fray and fighting Duriel, so slot in some Flawless Emeralds, chug your Elixirs, and make sure your accessories have enough Poison resistance to see you to the end.

In order to challenge Duriel, you will need to respectively obtain Mucus-slick Eggs and Shards of Agony from the Echo of Varshan and Grigoire, the Galvanic Saint. After you’ve collected enough of these items, you can summon Duriel, King of Maggots, to obtain a new class of Unique items: Uber Unique items.

Duriel, King of Maggots rewards

The Unique rewards for Duriel, King of Maggots, include:

  • Barbarian: Azurewrath, Tuskhelm of Joritz the Mighty
  • Druid: Tempest Roar, Dolmen Stone
  • Necromancer: Black River, Blood Moon Breeches
  • Rogue: Cowl of the Nameless, Scoundrel’s Leathers
  • Sorcerer: Flamescar, Blue Rose
  • All Classes: Godslayer Crown, Flickerstep, Tibault’s Will, X’Fal’s Corroded Signet, Soulbrand, Banished Lord’s Talisman
  • Cosmetic: Smoldering Brimstone Mount

The Uber Unique rewards for Duriel, King of Maggots, include:

  • Barbarian: Doombringer, The Grandfather
  • Druid: Ahavarion, Spear of Lycander
  • Necromancer: Doombringer, The Grandfather
  • Rogue: Doombringer
  • Sorcerer: Ahavarion, Spear of Lycander
  • All Classes: Melted Heart of Selig, Andariel’s Visage, Harlequin Crest, Ring of Starless Skies
  • Cosmetic: Smoldering Brimstone Mount

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