Creature Reference Back to Creatures

Nullicorn

Large · Aberration · CR 5 · Chaotic Evil

Source. Tome of Beasts 3

105 (14d10+28)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

WIS

CHA

Overview

Category Monsters

Size Large

Type Aberration

Alignment Chaotic Evil

XP 1800

Initiative Bonus +2

Movement

Walk 50 ft (15.2 m)

Swim 25 ft (7.6 m)

Climb 25 ft (7.6 m)

Crawl 25 ft (7.6 m)

Senses

Blindsight 120 ft (36.6 m)

Passive Perception 13

Skills

Perception +3

Languages

Celestial, Elvish, Sylvan, telepathy 60'

Resistances & Immunities

Damage Immunities

necrotic, poison

Condition Immunities

charmed, paralyzed, poisoned

Traits

Limited Magic Immunity

At the end of its turn any spell or magical effect with duration that is affecting the nullicorn such as hold monster or mage armor immediately ends.

Magic Evasion

If it is subjected to a spell or magical effect that allows it to make a save to take only half damage it instead takes no damage if it makes the save and only half damage if it fails.

Magic Resistance

Advantage: spell/magic effect saves.

Nullifying Blight

A creature infected with this disease manifests symptoms 1d4 hrs after infection: fatigue light-headedness and blurry vision. When infected creature casts a spell or activates a magic item itchy rash appears and spreads as more magic is used. Until disease is cured when infected creature starts its turn wielding or wearing magic item and each time it casts a spell or activates a magic item it loses 5 (2d4) hp. At end of each long rest infected creature must make a DC 13 Con save. Fail: hp the creature loses each time it uses magic increases by 2 (1d4). A creature that makes 3 saves recovers.

Sense Magic

Senses magic within 120' of it at will. This trait otherwise works like the detect magic spell but isn’t itself magical.

About Nullicorn

Nullicorn is a large aberration with a Challenge Rating of 5. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 12 and possesses 105 hit points (derived from 14d10+28).

Nullicorn has communication capabilities including Celestial, Elvish, Sylvan, telepathy 60'. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Nullicorn

1 tips available

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

Telepathic Communication: This creature can communicate telepathically, making it excellent for coordination with allies. Silence spells won't stop its communication. Consider 'Mind Blank' or abilities that block telepathy.

Player Guide: Facing Nullicorn

1 strategies available

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

Telepathy Awareness: This creature communicates telepathically! It can coordinate with allies silently. Silence won't stop it. Use 'Mind Blank' or abilities that block telepathy. Be cautious of mental attacks.

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 5.

Solo Encounter:

A single character of level 7 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 3,000 XP
Hard: 4,500 XP
Deadly: 6,000 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 Nullicorn?: Nullicorn has a Challenge Rating of 5, making it appropriate for parties of level 5.0.
What type of creature is Nullicorn?: Nullicorn is a Large Aberration, which affects how certain spells and abilities interact with it.
What languages does Nullicorn speak?: Nullicorn can communicate in Celestial, Elvish, Sylvan, telepathy 60'.