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Diablo 4 (D4)

All Malignant Tunnel Locations

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Malignant Tunnels are Season 1 dungeons that are great locations to farm Malignant Hearts in Diablo 4 (D4). These Tunnels are scattered across Sanctuary and each offer their own challenges. Read on to learn more about all the Malignant Tunnel Locations.

List of Contents

All Malignant Tunnel Locations


The Interactive Map both shows the location of key points on the map, and doubles as a collectible checker.

  1. Click an icon on the right side to show all the pins of a specific type, or click the magnifying glass button to search for a specific pin by name.
  2. Click a pin on the map to see its name and description, and a relevant picture or video if available.
  3. From here, click Mark as Acquired to indicate that you've gotten a collectible already. This will change its icon on the map to show that it has been collected, and add 1 to that pin type's Counter.
  4. To undo this, click on the same pin and click Restore to unclaimed.
  5. To check how many pins you have marked so far, check the Counter in the bottom left, and click the icon that looks like a checklist to see counters for all pin types.
  6. If the collected pins start to get in the way, you can hide them all by clicking the green Show Pins button on the left side.
Icon How to Use
Name Button.png Show Names
This button reveals the Name of every icon currently shown.
Show Pins Button.png Show Pins
This button will toggle between showing and hiding all the pins which you have already marked as acquired.
Full Button.png Fullscreen
This button will change the map display to fill the screen.
Search Button.png Search Mode Toggle
This button will display a searchbar which you can use to search for an individual pin by its name.
Icon Mode Button.png Icon Mode Toggle
In Search Mode, this button will toggle you back to Icon Mode, removing the search bar and displaying the icons again.
All Pins Button.png All Pins
This button is shown along with the Icons on the right when there are over 6 types of pins. Click it for a full selection of all available pin types.
Interactive Map Counter.png Counter
Tracks the number of pins you have of a certain type. The pin type shown is set to the page and currently cannot be changed; however, all pin type counters can be viewed by clicking the checklist icon on the right side.
Interactive Map View All Counters.png View All Counters
This icon is found on the right side of the Counter. When a map has more than one pin type, click this icon to see Counters for all pin types.
Diablo 4 - Zoom In Zoom Out Icons.png Zoom In / Zoom Out
This icon is found on the top left side of the map. You can press these buttons, or use your scroll wheel while hovering, to Zoom In and Out of the interactive map.

Region Malignant Tunnels
Fractured Peaks 2
Dry Steppes 2
Hawezar 2

There are only 6 Malignant Tunnels in total

Fractured Peaks Malignant Tunnel Locations

Malignant Tunnel Map View Overworld View
Fissure of Malice
D4 Fissure of Malice Map Location
D4 Fissure of Malice Overworld Location
The Boiling Wound
D4 The Boiling Wound Map Location
D4 The Boiling Wound Overworld Location

Dry Steppes Malignant Tunnel Locations

Malignant Tunnel Map View Overworld View
Dindai Hollow
D4 Dindai Hollow Map Location
D4 Dindai Hollow Overworld Location
Ravening Pits
D4 Ravening Pits Map Location
D4 Ravening Pit Overworld Location

Hawezar Malignant Tunnel Locations

Malignant Tunnel Map View Overworld View
Bedeviled Grotto
D4 Bedeviled Grotto Map Location
D4 Bedeviled Grotto Overworld Location
Den of the Blighted
D4 Den of the Blighted Map Location
D4 Den of the Blighted Overworld Location

What are Malignant Tunnels?

Instanced PVE Combat Areas to Farm Malignant Hearts

D4 Malignant Tunnels
Malignant Tunnels are new PVE dungeons exclusive to Season 1. Completing these Tunnels is the best way to farm Malignant Hearts due to the good number of Malignant monsters you can find inside. You can also target farm specific Malignant Hearts by using Malignant Invokers at the end of these dungeons.

Diablo 4 Related Guides

Diablo 4 - Seasons

List of Seasons: How Do Seasons Work?

Season 3

Season 3 Guides
Season 3 Questline Walkthrough Kulle's Heart Quest - Journal Entry Locations
Season 3 Battle Pass Season 3 Journey
Best Season Blessing Arcane Tremors Explained
How to Farm Shattered Stones How to Farm Elemental Cores
How to Get Pearls of Warding How to Farm Igneous Cores
Seneschal Companion Guide Governing Stones Guide
Tuning Stones Guide Vaults and How to Unlock Them
How to Open Wardwoven Chests How to Unlock Nightmare Vaults
How to Get Vault Sigils New Season 3 Uniques
Weekly Gauntlet Dungeon Challenge Guide -

Season Guides

Battle Pass Explained
Season 1 Battle Pass Season 2 Battle Pass
Season 3 Battle Pass -
Season Journey Explained
Season 1 Journey Season 2 Journey
Season 3 Journey -
All Season Mechanics
Malignant Hearts
(Season 1)		 Vampiric Powers, Blood Harvest
(Season 2)
Seneschal Construct, Arcane Tremors
(Season 3)		 -
Season FAQs
What Carries Over to Seasons? How to Transfer Renown to Seasonal Characters
Is Seasonal Rebirth Coming to Diablo 4? How to Get Smoldering Ashes
Should You Make a Seasonal Character? Can You Transfer Items to Seasonal Characters

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