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Diablo 4 Season 9 Best Infernal Horde Farming Strategies: How To Harvest Burning Aether Efficiently?

Posted: Aug 07, 2025 Views: 212

Posted: Aug 07, 2025

Source:  IGGM

Views: 212

While Diablo 4’s endgame isn’t as extensive as Path of Exile 2 and Last Epoch, it still offers a number of high-quality dungeons and activities for farming gear, materials, and leveling, such as Horadric Strongrooms, Kurast Undercity, and Infernal Horde in Season 9.

In terms of material yields like Diablo 4 Obducite, Infernal Horde falls short of the previous two, but that doesn’t mean it’s a bad endgame activity. Because the Infernal Horde spawns many monsters, and leveling in Diablo 4 is based on monster counts, the Infernal Horde is an excellent leveling activity for players just reaching the endgame.

Leveling is only one aspect of Infernal Horde; don’t forget it also yields a significant amount of materials. To maximize your gains, you’ll need a good farming strategy.

Diablo 4 Season 9 Best Infernal Horde Farming Strategies: How To Harvest Burning Aether Efficiently?

Infernal Horde Guide

Infernal Horde is a wave-based survival mode where you face waves of monsters, culminating in a battle against three Corrupted Council bosses. Each wave begins with a 60-second timer. Unlike the timer in Kurast Undercity, you only need to survive for 60 seconds, not kill all the monsters within 60 seconds. Whether you survive or kill all the monsters, the wave ends.

The player’s primary goal is to earn Burning Aether by killing monsters. These are exchanged for Spoils of Hell at the end of Infernal Horde, which contain items such as Diablo IV Obducite, gold, and elixirs.

After completing each wave, players must choose one of three Infernal Offers, which affect the amount of Burning Aether earned each round, and the monsters encountered. Each Infernal Offer has both positive and negative effects. During each wave, you’ll also trigger Aether Events. Completing these events will earn you more Burning Aether.

Unlocking Infernal Horde events requires Infernal Hordes Compass, which is no longer craftable in Season 9. However, you can get it from dungeons, Helltide, and Whisper Chests.

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Infernal Offers

To effectively utilize Infernal Horde, you need to understand the various Infernal Offer mechanics. Different combinations of Infernal Offers can affect Burning Aether drops, and some poorly chosen Infernal Offers can even lead to failure!

The types of Infernal Offers are as follows: 

  • The Aether Rush
  • The Burning Hellborne
  • The Burning Rain
  • The Bursting Fiends
  • The Bursting Masses
  • The Corrupting Spires
  • The Draining Spires
  • The Enfeebled Wanderer
  • The Exalted Council
  • The Exalted Elite
  • The Exalted Hellborne
  • The Exalted Hordes
  • The Exalted Masses
  • The Exhausted Wanderer
  • The Gorging Masses
  • The Insatiable Spires
  • The Invigorating Hellborne
  • The Stalking Devil
  • The Summoned Hellborne
  • The Summoned Lords
  • The Surging Elite
  • The Surging Hellborne
  • The Teeming Masses
  • The Unstoppable Elite
  • The Withered Wanderer

Preparation And Strategy

Since players have multiple arsenals, in addition to dealing with The Pit, Bosses, and Nightmare Dungeons, you’ll also need a build specifically for clearing Infernal Horde.

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Strategy 1: Hellborne

Hellborne offers the most generous rewards, so to maximize your Burning Aether gains, you’ll want to choose Infernal Offers that are closely tied to Burning Aether. The Surging Hellborne is the best choice, but The Invigorating Hellborne doesn’t provide any Burning Aether benefits.

You can choose from the following Infernal Offers:

  • The Summoned Hellborne
  • The Burning Hellborne
  • The Exalted Hellborne
  • The Surging Hellborne

Strategy 2: Aether Fiends

If you don’t encounter any Hellborne-related Infernal Offers, you still have other options. Aether Fiends offer quite good rewards, and if you choose The Surging Elite, your Burning Aether gains will be second only to The Surging Hellborne.

The Infernal Offers you can choose from are as follows:

  • The Exalted Elite
  • The Surging Elite
  • The Unstoppable Elite
  • The Teeming Masses
  • The Summoned Lords

Strategy 3: Fixed Rewards

Sometimes you may not receive any of the above Infernal Offers. This isn’t the worst of it; you still have some options. While their rewards are average, they’re also not too difficult.

The Infernal Offers you can choose from are as follows:

  • The Burning Rain
  • The Enfeebled Wanderer
  • The Exalted Council
  • The Withered Wanderer
  • The Stalking Devil

Strategy 4: Optional

If you don’t receive any of the above Infernal Offers, Infernal Offers you should choose are mainly to make the next wave less difficult.

Infernal Offers you can choose from are as follows:

  • The Exalted Hordes
  • Invigorating Hellborne
  • The Bursting Masses
  • The Exalted Masses

Strategy 5: Bad Choices

Some choices will slow down your activity, add extra events, or even cause you to die mid-game. Avoid these.

The Infernal Offers you shouldn’t choose are as follows:

  • The Gorged Masses
  • The Corrupting Spires
  • The Insatiable Spires
  • The Bursting Fiends

Infernal Horde Rewards

Infernal Horde’s main rewards are Obducite and Scroll of Restoration. Caches also contain materials and even unique weapons. However, Obducite and Scroll of Restoration come from different chests. Scroll of Restoration comes from Spoils of Greater Equipment, while Obducite comes from Spoils of Materials.

The amount of loot varies across Torment levels. Below is the amount of Diablo 4 Obducite found in Obducite Caches at each Torment difficulty level.

  • Torment 1: 40 Obducite
  • Torment 2: 80 Obducite
  • Torment 3: 160 Obducite
  • Torment 4: 320 Obducite

This concludes your Infernal Horde farming strategy. If you have extra Infernal Horde Compasses in your inventory, you can just use them all and farm for materials by Infernal Horde.

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