5 Free Unearthly Templates (5e)

A Plug-and-Play Terrain Sampler from MageGate Games

Supercharge your 5e encounters with four new terrain templates + one classic template from the Extreme Encounters: Weather & Terrain Unearthly Omnibus — the ultimate GM toolkit for cinematic, high-stakes environments.

Inside, you’ll find:

• Five deadly terrain effects tied to classic elements (Acid, Necrotic, Poison, Radiant, and Spirit)
• Quick-scaling rules to raise or lower difficulty on the fly
• Drop-in formatting — no prep, just tension, choices, and drama

Preview interior pages below.

These aren’t just hazards — they’re encounter upgrades built to challenge your players, shape combat, and reward creative tactics.

Whether you're a GM looking to reshape the battlefield or a player planning a deadly ambush, this is the encounter upgrade you’ve been waiting for.

Average Customer Rating

⭐⭐⭐⭐⭐ (5/5 stars)

What to Buy Next?

• Extreme Encounters: Weather and Terrain Unearthly Omnibus (5e)

Why This Book?

• Gives you darker and more exotic weather and terrain coverage (Acid, Necrotic, Poison, Radiant, and Spirit).
• Acid includes acidic and slime environments perfect for Aberrations and Oozes, including slippery and corrosive variants.
• Necrotic features cursed wastelands and specific curses, including contagious flesh-eating ghouls and zombies.
• Poison covers mutant contagions, sewers, swamps, vermin infestations, even fighting inside giant rotting monster corpses.
• Radiant adds badlands, deserts, heat waves, sand dunes, and both lunar and solar magical areas.
• Spirit explores Astral and Ethereal terrain, hauntings, and nightmare psychic dreamscapes.

or

• Legendary Lairs: Unearthly Lairs (5e)

Why This Book?

• Boss fights built around evolving enemy behavior, adaptive tactics, and multi-stage encounters.
• Plug-and-play lair systems for Acid, Disease, Necrotic, Poison, Psychic, and Shadow-themed adventures.
• Environmental hazards and battlefield effects that make terrain as dangerous as the monsters themselves.
• Ready-to-run boss mechanics that pair perfectly with the advanced monster abilities and combat options found in Traits and Actions.
• Tactical encounter design tools that help Game Masters create more cinematic and memorable battles with minimal prep.
• New lair actions, recharge actions, traps, magical terrain, and encounter complications for elemental campaigns.
• Perfect for aberrations, assassins, dragons, cultists, fiends, hags, oozes, serpentfolk, undead, and high-stakes dungeon encounters.
• Compatible with both the 2014 (5e) and 2024 (5.5e) rules.

Low Prep. No Rewrites. Just Better Boss Fights.

Download now and run your next encounter in minutes.