Living Blade of Disaster

Small Construct, Chaotic Evil

AC: 14

Initiative: +3 (13)

HP: 67 (9d6 + 36)

Speed: 0 ft., fly 30 ft. (hover)

STR: 10 (+0)
DEX: 16 (+3)
CON: 19 (+4)
INT: 6 (-2)
WIS: 10 (+0)
CHA: 3 (-4)

Immunities: poison; bludgeoning, piercing, slashing from nonmagical attacks

Condition Immunities: blinded; deafened; exhaustion; grappled; paralyzed; petrified; poisoned; restrained; unconscious

Senses: darkvision 60 ft., Passive Perception 10

CR: 8 (XP 3,900; PB +3)

Magic Resistance.

The living spell has advantage on saving throws against spells and other magical effects.

Unfettered.

The living spell can move through any barrier, even a wall of magical force.

Unusual Nature.

The living spell doesn't require air, food, drink, or sleep.

Actions

Force Blade.

Melee Spell Attack: +6 to hit, reach 5 ft., one target. Hit: 26 (4d12) force damage, unless the living spell rolled an 18 or higher on the d20 for the attack, in which case the attack is a critical hit that deals 78 (12d12) force damage instead.

Reactions

Preemptive Strike.

The living spell makes a melee attack against a creature that starts its turn within 5 feet of the living spell.

Find this creature in the encounter builder

Source: Icewind Dale: Rime of the Frostmaiden, p. 299 - Licenses and attribution