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Vent Linnorm

Gargantuan · Dragon · CR 16 · Neutral Evil

Source. Tome of Beasts 2

19 (natural armor)

247 (15d20+90)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

WIS

CHA

Overview

Category Monsters

Size Gargantuan

Type Dragon

Alignment Neutral Evil

XP 15000

Initiative Bonus +2

Movement

Walk 20 ft (6.1 m)

Swim 80 ft (24.4 m)

Climb 10 ft (3 m)

Crawl 10 ft (3 m)

Senses

Darkvision 120 ft (36.6 m)

Blindsight 60 ft (18.3 m)

Passive Perception 17

Saving Throws

Strength +12 Dexterity +7 Constitution +11 Charisma +8

Skills

Intimidation +8 Perception +7 Survival +7

Languages

Common, Draconic

Resistances & Immunities

Damage Immunities

cold

Damage Resistances

fire

Traits

Amphibious

The linnorm can breathe air and water.

Blood Scent

The linnorm can smell blood in the water within 5 miles of it. It can determine whether the blood is fresh or old and what type of creature shed the blood. In addition, the linnorm has advantage on Wisdom (Perception) and Wisdom (Survival) checks to find or track a creature that doesn’t have all its hp.

Actions

Bite

+12 to hit, reach 10 ft (3 m). Hit: 2d10+7 plus 4d6 necrotic damage.

Melee Weapon Attack: +12 to hit, reach 10 ft., one target. Hit: 18 (2d10 + 7) piercing damage plus 14 (4d6) necrotic damage.

Frightful Presence

Each creature of the linnorm's choice that is within 120 feet of the linnorm and aware of it must succeed on a DC 16 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If the creature's saving throw is successful or the effect ends for it, the creature is immune to the linnorm's Frightful Presence for the next 24 hours.

Inky Breath

Recharge 5–6

The linnorm exhales a cloud of briny ink in a 60-foot cone. Each creature in that area must make a DC 19 Constitution saving throw. On a failure, a creature takes 52 (15d6) necrotic damage and is blinded for 1 minute. On a success, a creature takes half the damage and isn't blinded. A blinded creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

Multiattack

The linnorm can use its Frightful Presence. It then makes three attacks: one with its bite and two with its tail.

Tail

+12 to hit, reach 20 ft (6.1 m). Hit: 2d8+7 bludgeoning damage.

Melee Weapon Attack: +12 to hit, reach 20 ft., one target. Hit: 16 (2d8 + 7) bludgeoning damage. The target is grappled (escape DC 18) if it is a Large or smaller creature and the linnorm doesn't have two other creatures grappled. Until this grapple ends, the target is restrained.

About Vent Linnorm

Vent Linnorm is a gargantuan dragon with a Challenge Rating of 16. It has a neutral evil alignment.

In combat, this creature maintains an Armor Class of 19 and possesses 247 hit points (derived from 15d20+90).

Vent Linnorm has communication capabilities including Common, Draconic. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Vent Linnorm

1 tips available

When using Vent Linnorm in your D&D 5e campaign, consider these tactical approaches:

Aquatic Combat: This creature can swim at 80 ft. It has advantage in water environments. Consider fighting on land or using water-based spells against it.

Player Guide: Facing Vent Linnorm

1 strategies available

When your party encounters this creature, keep these strategies in mind:

Aquatic Combat Defense: This creature can swim at 80 ft! It has advantage in water. Fight on land if possible. Use 'Control Water' or drain water sources to limit its mobility.

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 16.

Solo Encounter:

A single character of level 20 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 27,200 XP
Hard: 40,800 XP
Deadly: 54,400 XP

Based on D&D 5e Dungeon Master's Guide encounter building guidelines. CR roughly equals party level for medium encounters.

Frequently Asked Questions

What is the challenge rating of Vent Linnorm?: Vent Linnorm has a Challenge Rating of 16, making it appropriate for parties of level 16.0.
What type of creature is Vent Linnorm?: Vent Linnorm is a Gargantuan Dragon, which affects how certain spells and abilities interact with it.
What languages does Vent Linnorm speak?: Vent Linnorm can communicate in Common, Draconic.