Demonic Slime
The alkilith can move through a space as narrow as 1 inch wide without squeezing.
Alkilith 5e reference with CR 11, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.
An alkilith is a demonic slime-fungus that clings to walls like living filth, erodes flesh with acid, and warps nearby minds into confusion.
Quick 5e Answer
Alkilith is a CR 11 fiend for D&D 5e. This page includes AC 17, HP 178 (21d8 + 84), a ready stat block, a downloadable PDF, and connected encounter tools.
Original 5e-Compatible Stat Block
Medium, Fiend (Demon), Chaotic Evil
This is an original Monster Almanac 5e-compatible stat block, not an official SRD stat block.
The alkilith can move through a space as narrow as 1 inch wide without squeezing.
A creature that starts its turn within 10 feet must succeed on a Wisdom saving throw or have Disadvantage on its next saving throw before the start of its next turn.
The alkilith makes three Corrosive Tendril attacks.
Melee Attack Roll: +8, reach 10 ft. Hit: 18 (3d8 + 5) Acid damage plus 9 (2d8) Psychic damage.
Constitution Saving Throw: creatures within 20 feet. Failure: 63 (14d8) Acid damage and the target is Poisoned until the end of its next turn. Success: Half damage.
Base + optional customizer
Base + optional customizer
Base + optional customizer
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Alkilith 5e reference: CR 11 fiend, AC 17, HP 178 (21d8 + 84), PDF sheet, token, portrait, terrain, fear hooks, and hunt tools for Ruins, Extraplanar,β¦ This page is part of the complete Monster Almanac stat block library. It includes a original 5e-compatible stat block with a downloadable PDF sheet, plus connected prep tools. Use this Monster Almanac page to move from search result to table prep: read the quick 5e reference, open the stat block, download the PDF when available, generate a token or portrait prompt, build matching terrain, create a monster-bound fear hook, and turn Alkilith into a focused hunt.
Alkilith can be used in Ruins, Extraplanar, Dungeon when you want a CR 11 fiend that helps shape combat pressure, exploration tension, or narrative danger.
Alkilith works well as a supporting threat, recurring danger, or encounter-building piece inside a larger scene.
The attached original 5e-compatible stat block gives you a table-ready rules reference, and the PDF button keeps the sheet easy to print or save before the session.
This makes Alkilith useful not only as a monster reference, but also as a scene-shaping piece for travel danger, dungeon pressure, wilderness discovery, or a stronger narrative threat.
Alkilith is listed in Monster Almanac as a CR 11 fiend.
Alkilith is listed as a fiend.
Yes. This page includes a original 5e-compatible stat block and a downloadable PDF sheet.
Yes. This page links to Alkilith token, portrait, chatbot, terrain, fear hook, and monster hunt tools for fast D&D prep.
After choosing Alkilith, the next step is usually to connect the monster with a place, an encounter shape, a supporting cast, or a character who fears it. Use the tools below to keep building without leaving the Monster Almanac workflow.