This guide explains how to increase the maximum ammo capacity in Doom The Dark Ages, while providing the locations of all Demonic Essence.

The Ammo capacity remains as one of the core stats in Doom The Dark Ages, along with Health and Armor. You can increase these stats as you progress through the chapters. While increasing Health and Armor directly boosts your endurance, the Ammo capacity enhances your firepower.
Running out of ammo mid-fight can put you in a dire situation—especially during the higher levels. Learning how to increase the maximum ammo in Doom The Dark Ages helps you to stack up more ammo, allowing you to fire some extra rounds.
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How To Increase Maximum Ammo in DOOM The Dark Ages

Similar to Health and Armor, you can increase the maximum ammo capacity by defeating Leaders and gathering their Demonic Essence. Since the Demonic Essence is categorized into three types, you should be aware of what type you are after. If you aiming to increase the ammo, you should prioritize Demonic Leaders with yellow bullet icons above their head.
This indicates that the specific Leader will drop Demonic Essence – Ammo upon defeating, which permanently upgrades one of the four ammo types of the game. Each ammo type receives three upgrades, and you can collect up to 12 Ammo Demonic Essence throughout the game.
All Demonic Essence – Ammo Leader Locations in DOOM The Dark Ages

Here are the locations of all 12 Leaders that drop Ammo Demonic Essence in Doom The Dark Ages:
Chapter | Where to find |
The Holy City of Aratum (Chapter 5) | You will find a powerful and armored Leader right before the Point of No Return areas to the east. |
Siege Part 1 (Chapter 6) | You will find the Leader during the battle that introduces Morale encounters. |
Ancestral Forge (Chapter 9) | The Leader encounter triggers right after obtaining your first Shield Rune: Ground Fissure. |
The Forsaken Plains (Chapter 10) | The leader spawns at the Gore Nest located north of the right side Hell Cannon. |
From Beyond (Chapter 13) | The Leader spawns at the first Demonic Portal area. |
Spire of Nerathul (Chapter 14) | You will encounter the Demonic Leader near the Revenant toy collectible. |
The Kar’Thul Marshes (Chapter 16) | The Leader guards one of the Relic Fragments |
Temple of Lomarith (Chapter 17) | While you follow the gates, the Leader encounter will trigger as a part of the progression. |
The Leader spawns during the combat encounter near the shipwreck after entering the portal. | |
Harbor of Souls (Chapter 19) | Defeat the Demonic Leader after the soul bridge crossing cutscene. |
Resurrection (Chapter 20) | Battle the Leader at the Siege Tower spot, located on the left side. |
Reckoning (Chapter 22) | You will encounter the leader after getting past the second Sentinel Shrine. |

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