Diablo 4 Season 2 - How To Summon Endgame Bosses

Diablo 4 Season 2 has introduced a number of new systems, including new endgame bosses that you can farm. These bosses can be found in special dungeons across the map, but you will need to first acquire some special items to summon the bosses. This feature was also added to the Eternal realm, so you don't need a seasonal character to farm these bosses. There are five in total: Echo of Varshan, Grigoire, Lord Zir, Beast in Ice, and Duriel. Here are the requirements to fight each boss and their potential drops.

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Echo of Varshan

Varshan can be summoned on both World Tier 3 and 4, with a slight difference in requirements between the two. In Order to summon Varshan, you will need to collect different parts of his body via caches from the Tree of Whispers. To obtain a cache, you will need to obtain 10 Grim Favors by completing Whispers around Sanctuary. Each cache is guaranteed to have at least one part. On World Tier 3 you will need one Blackened Femur, one Trembling Hand, and one Gurgling Head. On World Tier 4 you will also need one Malignant Heart, in addition to the three other items.

Varshan can be found in the Malignant Burrow, the entrance of which is located right next to the Tree of Whispers. Below is a list of possible items that Varshan can drop, sorted by class.

Echo of Varshan drops

Barbarian

Fields of Crimson
100,000 Steps
Gohr's Devastating Grip

Sorcerer

Staff of Endless Rage
Esu's Heirloom
Raiment of the Infinite

Rogue

Condemnation
Eyes in the Dark
Skyhunter

Druid

Mad Wolf's Glee
Vasily's Prayer
Greatstaff of the Crone

Necromancer

Bloodless Scream
Deathless Visage
Deathspeaker's Pendant

All Classes

Frostburn
Mother's Embrace

Grigoire, The Galvanic Saint

Grigoire is available to fight in both World Tier 3 and World Tier 4. To fight him, you will need to collect Living Steel. It can be found in Helltides, a special world event that only occurs every couple of hours. Beyond that, the Living Steel can only be obtained from a Tortured Gift of Living Steel chest. These chest functions are similar to the Tortured Gifts of Mystery chests, as it only appears on the map when you get near it. There is always one of these Chests in each Helltide. It costs 300 Cinders to open and you have to beat He-Who-Grins-Wide-and-Waits, the guardian of the chest. Each chest will net you one Living Steel.

It takes two Living Steel on World Tier 3 and Five Living Steel on World Tier 4 to summon Grigoire. Girogire can be found in the Hall of Pentiment dungeon in Ked Bardu. Below is a list of possible drops from Girgoire, sorted by class.

Girgoire, The Galvanic Saint drops

Barbarian

Ramaladni's Magnum Opus
Rage of Harrogath
Ancients' Oath
Battle Trance
The Butcher's Cleaver

Rogue

Word of Hakan
Grasp of Shadow
Windforce

Druid

Insatiable Fury
Hunter's Zenith
Waxing Gibbous
The Butcher's Cleaver

Sorcerer

Staff of Lam Esen
Iceheart Brais
Gloves of the Illuminator

Necromancer

Blood Artisan's Cuirass
Howl from Below
Greaves of the Empty Tomb

All Classes

Penitent Greaves

Lord Zir (Dark Master)

Lord Zir can be found in The Darkened Way.

Lord Zir, also known as the Dark Master, can only be encountered in World Tier 4. To summon him, you will need Exquisite Blood, which drops from both World Bosses and Legion Events. Both of these event types occur on a timer, although Legion Events are happening almost constantly. You will need nine Exquisite Blood and Lord Zir can be found in Ancient's Seat, which is located inside The Darkened Way in Fractured Peaks.

Below is a list of all possible Lord Zir drops, separated by class.

Lord Zir drops

Barbarian

Ramaladni's Magnum Opus
Rage of Harrogarth
Gohr's Devastating Grips
Overkill
The Butcher's Cleaver

Sorcerer

Staff of Endless Rage
Iceheart Brais
Raiment of the Infinite
Esadora's Overflowing Cameo

Druid

Mad Wolf's Glee
Vasily's Prayer
Greatstaff of the Crone
Fleshrender
The Butcher's Cleaver

Rogue

Grasp of Shadow
Eyes in the Dark
Skyhunter
Asheara's Khanjar

Necromancer

Blood Artisan's Cuirass
Deathless Visage
Greaves of the Empty Tomb
Lidless Wall

All Classes

Penitent Greaves
Razorplate
Temerity

Beast in Ice

The Beast in Ice can be encountered only in World Tier 4. In order to fight the Beast in Ice, you will need to collect Distilled Fear, which can be obtained from completing Nightmare Dungeons Tier 30 and higher. You will need to collect nine Distilled Fear, which can be combined with 250 Sigil Powder--collected from scrapping Nightmare Sigils--at an Occultist to create a Glacial Fissure Nightmare Sigil, which will always be Tier 31. Take that to Glacial Fissure in Fractured Peaks to take on the Beast in Ice. Below, you can find all of the Beast in Ice's drops, separated by class.

Ice in Beast drops

Barbarian

Fields of Crimson
100,000 Steps
Ancients' Oath
Battle Trance
Hellhammer

Sorcerer

Staff of Lam Esen
Esu's Heirloom
Gloves of the Illuminator
The Oculus

Druid

Insatiable Fury
Hunter's Zenith
Waxing Gibbous
Storm's Companion

Rogue

Condemnation
Word of Hakan
Windforce
Eaglehorn

Necromancer

Bloodless Scream
Howl from Below
Deathspeaker's Pendant
Ring of Mendeln

Duriel, King of the Maggots

Duriel, King of the Maggots, can only be fought on World Tier 4 and is sort of the head honcho of the endgame bosses. His required items are dropped by other endgame bosses, he is the highest level, and he is the only one who can drop Uber Uniques reliability. To summon Duriel, you will need two Mucus-Slick Eggs and two Shards of Agony. Mucus-Slick Eggs are dropped by Varshan and Shards of Agony are dropped by Grigorie. It's important to note that only the person who summons these bosses can obtain these drops, so you can't have a friend provide the summoning materials for you.

Duriel can be found in the Gaping Crevasse in Kehjistan. Below is a list of Duriel's drops separated by class.