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Wastrilith

Wastrilith 5e reference with CR 13, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.

CR 13FiendStat Block + PDFHunt Ready
Original 5e-Compatible Stat BlockDownload PDF

Overview

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 CR, type, stat block, and table tools

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.

CR13
TypeFiend
Stat BlockOriginal 5e-Compatible Stat Block
PDF SheetAvailable
AC18
HP189 (18d10 + 90)

Original 5e-Compatible Stat Block

Wastrilith

Large, Fiend (Demon), Chaotic Evil

Original 5e5e-compatiblemonster-almanac-original-v1PDF Ready
Download PDF

This is an original Monster Almanac 5e-compatible stat block, not an official SRD stat block.

Armor Class18
Hit Points189 (18d10 + 90)
Challenge13 β€’ 10,000 XP
Proficiency+5
Speed
Swim 80 ft., Walk 30 ft.
Initiative
+4
Saving Throws
Cha +9, Con +10, Dex +9, Str +11, Wis +8
Skills
Stealth +9, Perception +8
Damage Resistances
Cold, Fire, Lightning; Bludgeoning, Piercing, Slashing from nonmagical attacks
Damage Immunities
Poison
Condition Immunities
Poisoned
Senses
Darkvision 120 ft.; Passive Perception 18
Passive Perception
18
Languages
Abyssal, telepathy 120 ft.
STR22+6
DEX18+4
CON20+5
INT14+2
WIS16+3
CHA18+4

Traits

Abyssal Waterlord

The wastrilith ignores difficult terrain caused by water, mud, slime, wreckage, and underwater vegetation.

Corrupting Wake

A hostile creature that starts its turn within 10 feet of the wastrilith while in water takes 10 (3d6) Poison damage.

Actions

Multiattack

The wastrilith makes three attacks: Bite and two Claws.

Bite

Melee Attack Roll: +11, reach 10 ft. Hit: 23 (3d10 + 7) Piercing damage plus 18 (4d8) Poison damage.

Claw

Melee Attack Roll: +11, reach 10 ft. Hit: 16 (2d8 + 7) Slashing damage.

Abyssal Undertow (Recharge 5-6)

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.

Bonus Actions

Demonic Surge

The wastrilith swims or moves up to 30 feet without provoking Opportunity Attacks.

Reactions

Poisoned Riposte

When a creature within 10 feet hits the wastrilith with a melee attack, that creature takes 10 (3d6) Poison damage.

Legal Attribution

Original Monster Almanac compatible game statistics. This entry is designed for 5e-style tabletop play and does not reproduce closed-book stat block text.

Generated by Monster Almanac. This is original compatible game content, not an official SRD stat block.

License: Monster Almanac Original Compatible Content

Generate Terrain

Underwater

Base + optional customizer

Custom
Morning β€’ Underwater Current β€’ Sand Floor β€’ Clear Water β€’ Shipwreck
BaseOpen

Coastal

Base + optional customizer

Custom
Morning β€’ Clear β€’ Sandy Beach β€’ Low Tide β€’ Shipwreck
BaseOpen

Swamp

Base + optional customizer

Custom
Morning β€’ Clear β€’ Mud Flats β€’ Reeds β€’ Rotting Boardwalk
BaseOpen

Extraplanar

Base + optional customizer

Custom
Morning β€’ Planar Instability β€’ Warped Paths β€’ Arcane Storm Lines β€’ Planar Anchor
BaseOpen

Note: These resource links work best when you are logged in to ChatGPT in your browser.

Wastrilith Token, Portrait, Chatbot, Terrain, Fear Hooks, Hunt Generator, and D&D 5e Resources

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,… 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.

Using Wastrilith in play

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.

Why this monster is useful

  • Fits naturally into Underwater, Coastal, Swamp, Extraplanar.
  • Works as a CR 13 option for encounter building and pacing.
  • Connects directly with a stat block, downloadable PDF, portrait, token, chatbot, terrain, fear hook, and hunt resources.
  • Helps game masters move from reference to actual tabletop use more quickly.

Quick ideas for scene building

  • Use Wastrilith as a wandering threat tied to the local environment.
  • Pair the monster with terrain from the environments shown above.
  • Add an NPC witness, hunter, scholar, survivor, or fearful character to frame the danger.
  • Open the chatbot resource to give the creature more roleplay or lore flavor.
  • Use the hunt generator to turn this monster into a focused adventure hook.

Wastrilith 5e quick FAQ

What CR is Wastrilith in D&D 5e?

Wastrilith is listed in Monster Almanac as a CR 13 fiend.

What type of monster is Wastrilith?

Wastrilith is listed as a fiend.

Does Wastrilith have a 5e stat block?

Yes. This page includes a original 5e-compatible stat block and a downloadable PDF sheet.

Can I generate a token or hunt for Wastrilith?

Yes. This page links to Wastrilith token, portrait, chatbot, terrain, fear hook, and monster hunt tools for fast D&D prep.