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What Is The Best Order To Get Gear Fast By Challenging Lair Bosses In Diablo 4 Season 9?

Jul 23, 2025 Author: D4gold

In addition to seasonal content, Diablo 4 sometimes adds some new fixed mechanisms as optimization content for the entire game when updating the season. The closest and most representative one is the lair boss in Season 8.

This mechanism changes Diablo 4 gameplay, which has always required specific summoning materials to fight the relevant endgame boss to a direct challenge, but you must have lair keys to unlock the hoard that provides loot after the boss dies.

After entering Season 9, although you no longer need to kill lair bosses to obtain boss power, they are still the main source of Diablo 4 gold, Unique and Mythic gear. However, it is precisely because of this that not all lair bosses are worth challenging.

Based on this, this time we will introduce you to the bosses that are worth solving first in S9 according to the loot rarity, in order from high to low.

What Is The Best Order To Get Gear Fast By Challenging Lair Bosses In Diablo 4 Season 9?

1. Belial

  • Lair keys: Betrayer’s Husk

As a boss that returns to the game through D4S8, Belial first appeared in Diablo 3 and was eventually retained in Diablo 4. Although the threat he brings to you may not be as great as the new boss Astaroth in Season 9, he is still the first choice for farming Mythic items.

2. Varshan

  • Lair keys: Malignant Hearts

Although this boss is only at the initiate level, defeating him in Season 9 will give you a chance to obtain two new unique items through his hoard: Druid’s Rotting Lightbringer and Spiritborn’s Balazan’s Maxtlatl.

What’s more gratifying is that due to the low level, it is not difficult to obtain his lair keys or defeat him. It is more reliable if your shadow resistance is high enough.

3. Urivar

  • Lair keys: Judicator’s Mask

Urivar has an even higher chance of dropping new unique items for you than Varshan, because his hoard may include Rotting Lightbringer, Balazan’s Maxtlatl, Barbarian’s Hooves of the Mountain God and Rogue’s Deathmask of Nirmitruq at the same time.

But the reason why he ranks behind Varshan is that you can only encounter him if you have Vessel of Hatred DLC, and his battle difficulty will be higher.

During the battle, Urivar will summon knights to continuously shoot fire at you according to the established trajectory, which requires you to have enough fire resistance, otherwise it will be difficult to defeat him.

4. Andariel

  • Lair keys: Pincushioned Dolls

As one of the classic Diablo 4 bosses, Andariel is still powerful after the game adds the lair boss mechanism and is classified as a greater level, so you can’t take her lightly.

Andariel can provide Season 9 loot including Shroud of False Death, Heir of Perdition, and Harlequin Crest, suitable for all classes. Pincushioned Dolls, which unlock her hoard, are obtained by defeating Lord Zir.

The danger of Andariel’s boss battle is that it includes a long battle line including 3 stages. During this period, she will use various powerful magic attacks. You must try to predict her actions as much as possible while ensuring that your resistance to multiple elements is maximized.

5. Duriel

  • Lair keys: Shard of Agony

The loot list of this boss in Season 9 is basically the same as Andariel, and the battle process also has 3 stages. The difference is that Duriel is more difficult, so it is better to directly choose Andariel.

In all stages of the battle, Duriel will continue to attack you. Once you are hit, you will be poisoned or unconscious, making it easier to attack again. Therefore, facing Duriel, you must not only have the highest poison resistance, but also be fast and flexible enough to dodge every attack.

6. Harbinger Of Hatred

  • Lair keys: Abhorrent Hearts

This boss is also exclusive to Vessel of Hatred. The challenge difficulty and loot provided are basically the same as Andariel and Duriel, so its priority is below the first two bosses.

Since the source boss of its lair keys is Urivar, if you decide to farm Urivar and get enough Abhorrent Hearts, then challenging Harbinger of Hatred may be a good option.

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7. The Beast In The Ice

  • Lair keys: Distilled Fear

The main loot provided by this boss is the new unique items Hooves of the Mountain God and Deathmask of Nirmitruq. Its challenge difficulty is not high, and you can deal with it by mastering the boss’s attack pattern, but it is precisely because of this that repeated farming may become boring.

8. Lord Zir/Grigoire

  • Lair keys: Exquisite Blood/Living Steel

The common point between these two bosses is that they cannot drop new unique items, and the rarity of other loot is also relatively ordinary. Although the difficulty is not high, there is no need to waste time on them.

If your character strength is not enough for the time being, you can farm them to get temporary universal gear, but to be honest, their main role in Season 9 is to provide you with lair keys to unlock hoards of other bosses.

Lair Keys Farming

Only by obtaining enough corresponding lair keys can you get the final reward through lair bosses in Diablo 4, and different lair key drop channels are also different.

  • Betrayer’s Husk from Mini Belial.
  • Shard of Agony from Varshan and Grigoire.
  • Pincushioned Doll from Beast and Lord Zir.
  • Abhorrent Heart from Urivar.
  • Malignant Heart, Living Steel, Distilled Fear, Exquisite Blood, Judicator’s Mask from Dungeons or other world events.

That’s the best order to challenge lair bosses in Diablo 4 Season 9, along with other information you should know. Thank you for reading.

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