Ice Tunneler
The worm ignores difficult terrain caused by ice, snow, frozen stone, and packed earth.
Adult Rime Worm 5e reference with CR 17, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.
An adult rime worm is a huge arctic burrowing horror of ice and predation, a third-party inclusion under tolerance level 1.
Quick 5e Answer
Adult Rime Worm is a CR 17 monstrosity for D&D 5e. This page includes AC 18, HP 287 (23d12 + 138), a ready stat block, a downloadable PDF, and connected encounter tools.
Original 5e-Compatible Stat Block
Huge, Monstrosity, Unaligned
This is an original Monster Almanac 5e-compatible stat block, not an official SRD stat block.
The worm ignores difficult terrain caused by ice, snow, frozen stone, and packed earth.
A creature that hits the worm with a melee attack while within 5 feet takes 10 (3d6) Cold damage.
The worm makes two attacks: Bite and Tail Slam.
Melee Attack Roll: +14, reach 15 ft. Hit: 34 (4d12 + 8) Piercing damage plus 22 (5d8) Cold damage.
Melee Attack Roll: +14, reach 20 ft. Hit: 30 (4d10 + 8) Bludgeoning damage.
Constitution Saving Throw: creatures within 30 feet. Failure: 108 (24d8) Cold damage and the target falls Prone. Success: Half damage.
Base + optional customizer
Base + optional customizer
Base + optional customizer
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Adult Rime Worm 5e reference: CR 17 monstrosity, AC 18, HP 287 (23d12 + 138), PDF sheet, token, portrait, terrain, fear hooks, and hunt tools for Arctic,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 Adult Rime Worm into a focused hunt.
Adult Rime Worm can be used in Arctic, Wilderness, Underground when you want a CR 17 monstrosity that helps shape combat pressure, exploration tension, or narrative danger.
Adult Rime Worm 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 Adult Rime Worm 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.
Adult Rime Worm is listed in Monster Almanac as a CR 17 monstrosity.
Adult Rime Worm is listed as a monstrosity.
Yes. This page includes a original 5e-compatible stat block and a downloadable PDF sheet.
Yes. This page links to Adult Rime Worm token, portrait, chatbot, terrain, fear hook, and monster hunt tools for fast D&D prep.
After choosing Adult Rime Worm, 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.