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Discover the shadow wreathed plane of Sheol, home to the nightmares of Midnight.

19 Spells
19 Monsters
3 Regions
148 Monster Features
3 Consumables
86 Pages
Lilith's Enchiridion of the Penumbral Hells
Descend to the infernal penumbra of Sheol, home to festering evils and only the dimmest flickers of hope! Defend yourself from prowling fiends, unearth artifacts of a brilliant past, and unravel secrets that could change the fate of a million souls in penance. This sourcebook is notable for its massive bestiary, bringing you 19 new stat sheets of varied CRs to drag-and-drop into your game's lower planes!
Key Features
- Automated Active Effects designed for high-level monsters.
- Fully playtested high-level monsters that can be dropped into any setting.
- Level 10 monster spells ready for immediate use.
- Quickly access any rule or entry in the expansion through an intuitive table of contents.
- Enriched text links for fast reference to rules, spells, features, and more.
- Highly customizable monster features to support your own creature designs.
All content from the book is neatly organized within the built-in compendium explorer. Monsters, features, spells, consumables, and roll tables are fully searchable, making it easy to find exactly what you need at any time.
Automation at Its Finest
Focus on what truly matters, running unforgettable sessions, while the module handles the rules behind the scenes. From monster effects and conditional modifiers to health tracking and special mechanics, built-in automation eliminates tedious manual tracking and keeps gameplay fast, fluid, and immersive.
Even the most complex encounters run effortlessly. Creatures with layered abilities or multiple entities, such as the new Nymphs of Midnight, feature independent health tracking for each individual nymph, ensuring accuracy without slowing the table. Attacks resolve cleanly and effects apply automatically so nothing breaks the flow of the game.
- Independent tracking for multi-entity creatures, like the Nymphs of Midnight and Gloom Wyvern, ensures each creature behaves and updates correctly.
- Attacks and effects apply cleanly and consistently, reducing errors and rules lookups mid-session.
- Built-in health tracking keeps combat clean and accurate, even for creatures with multiple bodies or layered effects.
Monster Mayhem
Unleash true chaos at your table with 19 meticulously crafted monsters drawn from the three distinct regions of the infernal penumbra of Sheol. Each creature is designed not just to challenge players, but to drop effortlessly into any campaign setting, whether you’re running dark fantasy, planar horror, or something entirely your own.
Every monster comes fully realized and fully automated, from attacks and special abilities to immunities, spells, and reactive traits. Helping you to dramatically reduce prep time.
Beyond the creatures themselves, you gain access to an arsenal of 148 modular, customizable monster features. Mix and match abilities, enhance existing stat blocks, or build entirely new horrors from the ground up. Whether you need a quick twist to surprise veteran players or a bespoke boss to anchor a major story arc, these tools give you total creative control.
Easily Accessible Content
Navigate rules and reference material with ease using a clear and intuitive table of contents. All content is seamlessly integrated with the built-in Journal system, making it simple to browse, search, and reference rules during play without breaking the flow of your game.
All content from the book is fully integrated, ensuring complete access to every region, creature, and piece of lore within the Infernal Penumbra of Sheol.
- Enriched text links rules, monsters, and features directly from the table of contents for fast, in-session reference.
- Art handouts offer high-quality human made visuals ready to share with your players at a moment’s notice.