Abyssal Waterlord
The wastrilith ignores difficult terrain caused by water, mud, slime, wreckage, and underwater vegetation.
Wastrilith 5e reference with CR 13, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.
A wastrilith is a water-corrupting demon, a bloated abyssal horror that poisons holy springs, commands foul tides, and turns coastlines into sacrilege.
Quick 5e Answer
Wastrilith is a CR 13 fiend for D&D 5e. This page includes AC 18, HP 189 (18d10 + 90), a ready stat block, a downloadable PDF, and connected encounter tools.
Original 5e-Compatible Stat Block
Large, Fiend (Demon), Chaotic Evil
This is an original Monster Almanac 5e-compatible stat block, not an official SRD stat block.
The wastrilith ignores difficult terrain caused by water, mud, slime, wreckage, and underwater vegetation.
A hostile creature that starts its turn within 10 feet of the wastrilith while in water takes 10 (3d6) Poison damage.
The wastrilith makes three attacks: Bite and two Claws.
Melee Attack Roll: +11, reach 10 ft. Hit: 23 (3d10 + 7) Piercing damage plus 18 (4d8) Poison damage.
Melee Attack Roll: +11, reach 10 ft. Hit: 16 (2d8 + 7) Slashing damage.
Strength Saving Throw: creatures of the wastrilith's choice within 30 feet. Failure: 72 (16d8) Poison and Bludgeoning damage, split evenly, and the target is pulled up to 30 feet toward the wastrilith. Success: Half damage and no pull.
The wastrilith swims or moves up to 30 feet without provoking Opportunity Attacks.
When a creature within 10 feet hits the wastrilith with a melee attack, that creature takes 10 (3d6) Poison damage.
Base + optional customizer
Base + optional customizer
Base + optional customizer
Base + optional customizer
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Wastrilith 5e reference: CR 13 fiend, AC 18, HP 189 (18d10 + 90), PDF sheet, token, portrait, terrain, fear hooks, and hunt tools for Underwater, Coastal,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 Wastrilith into a focused hunt.
Wastrilith can be used in Underwater, Coastal, Swamp, Extraplanar when you want a CR 13 fiend that helps shape combat pressure, exploration tension, or narrative danger.
Wastrilith 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 Wastrilith 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.
Wastrilith is listed in Monster Almanac as a CR 13 fiend.
Wastrilith 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 Wastrilith token, portrait, chatbot, terrain, fear hook, and monster hunt tools for fast D&D prep.
After choosing Wastrilith, 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.