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Sea Serpent

Sea Serpent 5e reference with CR 14, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.

CR 14MonstrosityStat Block + PDFHunt Ready
Original 5e-Compatible Stat BlockDownload PDF

Overview

A sea serpent is a colossal oceanic predator, a tolerance level 2 inclusion built for mythic scale and wave-born terror.

Quick 5e Answer

Sea Serpent CR, type, stat block, and table tools

Sea Serpent is a CR 14 monstrosity for D&D 5e. This page includes AC 18, HP 297 (22d12 + 154), a ready stat block, a downloadable PDF, and connected encounter tools.

CR14
TypeMonstrosity
Stat BlockOriginal 5e-Compatible Stat Block
PDF SheetAvailable
AC18
HP297 (22d12 + 154)

Original 5e-Compatible Stat Block

Sea Serpent

Huge, Monstrosity, Unaligned

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 Points297 (22d12 + 154)
Challenge14 β€’ 11,500 XP
Proficiency+5
Speed
Swim 80 ft.
Initiative
+2
Saving Throws
Con +12, Str +14, Wis +7
Skills
Perception +7
Damage Resistances
Cold
Senses
Darkvision 120 ft.; Passive Perception 17
Passive Perception
17
Languages
None
STR29+9
DEX14+2
CON24+7
INT4-3
WIS14+2
CHA10+0

Traits

Oceanic Bulk

The serpent can move through hostile creatures spaces while swimming, but cannot end its movement there.

Water Breathing

The serpent can breathe only underwater.

Actions

Multiattack

The serpent makes two attacks: Bite and Tail.

Bite

Melee Attack Roll: +14, reach 15 ft. Hit: 32 (4d10 + 10) Piercing damage.

Tail

Melee Attack Roll: +14, reach 20 ft. Hit: 28 (4d8 + 10) Bludgeoning damage.

Capsize Surge (Recharge 5-6)

Strength Saving Throw: creatures and vessels in a 60-foot Line. Failure: 72 (16d8) Bludgeoning damage and the target is pushed 30 feet. Success: Half 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

Coastal

Base + optional customizer

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

Wilderness

Base + optional customizer

Custom
Morning β€’ Clear β€’ Open Clearings β€’ Thorn Brambles β€’ Hunter Camp
BaseOpen

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

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

Sea Serpent 5e reference: CR 14 monstrosity, AC 18, HP 297 (22d12 + 154), PDF sheet, token, portrait, terrain, fear hooks, and hunt tools for Ocean,… 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 Sea Serpent into a focused hunt.

Using Sea Serpent in play

Sea Serpent can be used in Ocean, Coastal, Wilderness when you want a CR 14 monstrosity that helps shape combat pressure, exploration tension, or narrative danger.

Sea Serpent 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 Sea Serpent 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 Ocean, Coastal, Wilderness.
  • Works as a CR 14 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 Sea Serpent 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.

Sea Serpent 5e quick FAQ

What CR is Sea Serpent in D&D 5e?

Sea Serpent is listed in Monster Almanac as a CR 14 monstrosity.

What type of monster is Sea Serpent?

Sea Serpent is listed as a monstrosity.

Does Sea Serpent 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 Sea Serpent?

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