Hell Beasts | 5e Monsters

Hell Beasts

Hell Beasts is a monster supplement for 5e that expands infernal creatures beyond the familiar hellhound, presenting a range of animals twisted by the fires of the Lower Planes. Instead of relying on a single fiendish predator repeated across encounters, this book introduces a structured ecology of corrupted beasts—from vermin and scavengers to apex predators and infernal war engines.

The intent of this product is encounter variety without mechanical escalation. Each hell beast is built around the same core identity: a natural creature transformed into a fiendish predator whose body burns with supernatural heat. Their shared trait is a breath of hellfire that grows more powerful as the creatures become larger and more dangerous.

These monsters are not demons of strategy or devils of contract. They are instinct-driven hunters and territorial beasts, driven by hunger, pain, and the influence of infernal magic. Some are unleashed by cults, some escape from infernal portals, and others roam scorched wilderness where the boundaries between planes have grown thin.

Hell beasts appear wherever hellfire touches the natural world:

- Infernal incursions where devils march and their beasts follow. - War-torn battlefields where fiendish magic has seeped into the land. - Cult territories where dark rituals corrupt animals into monstrous guardians. - Volcanic wastelands and burned forests where ordinary creatures cannot survive.

Most hell beasts behave like the animals they once were, but magnified by infernal fury. Pack hunters stalk prey through smoke and ash. Aerial predators circle burning fields for the weak and wounded. Massive infernal brutes smash through fortifications like living siege engines.

While a single hell beast can be dangerous, their true threat appears when multiple species share the same hunting grounds. Smaller creatures harass and drive prey while larger predators strike the killing blow.

Use these monsters to turn ordinary wilderness encounters into infernal ecosystems, to populate cult strongholds with terrifying guardians, or to show how the corruption of the Lower Planes spreads through the natural world.

Where the first hell beast appears, others are rarely far behind.

Hell Beasts Ladder

Hell Rat — CR 1/4  Ember-eyed vermin that swarm prey and ignite targets with tiny bursts of hellfire.

Hell Crow — CR 1/2  Ash-feathered scout that circles battlefields and harasses intruders with cinder breath.

Hell Rabbit — CR 1  Explosive ambush predator whose blazing charge catches victims off guard.

Hell Vulture — CR 1  Carrion hunter that grows more aggressive around wounded creatures and fresh corpses.

Hell Cat — CR 2  Stealthy infernal stalker that hunts isolated prey with claws and flame.

Hell Boar — CR 2  Relentless charger whose burning tusks scatter enemy lines.

Hell Hawk — CR 2  Aerial predator that dives from the sky and strikes with blazing talons.

Hell Wolf — CR 3  Coordinated pack hunter whose presence strengthens nearby hell beasts.

Hell Serpent — CR 3  Burning constrictor that coils around prey and scorches it alive.

Hell Stag — CR 4  Territorial infernal guardian whose blazing antlers sweep through foes.

Hell Roclet — CR 4  Massive fiendish raptor whose wingbeats scatter embers across the battlefield.

Hell Crocodile — CR 5  Lava-swamp ambusher that drags prey into burning terrain.

Hell Panther — CR 5  Shadow-stalking predator that strikes from darkness with speed and flame.

Hell Bear — CR 6  Furious apex predator with devastating claws and overwhelming hellfire breath.

Hell Elephant — CR 6  Infernal siege beast whose armored body and trampling charge shatter defenses.

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This work includes material from the System Reference Document 5.1 © Wizards of the Coast LLC, available under the Creative Commons Attribution 4.0 International License.

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