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Iron Guardian

Large · Construct · CR 14 · Chaotic Evil

Source. Monstrous Menagerie

210 (20d10+100)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-4

WIS

CHA

-5

Overview

Category Monsters

Size Large

Type Construct

Alignment Chaotic Evil

XP 11500

Initiative Bonus +1

Movement

Walk 30 ft (9.1 m)

Swim 15 ft (4.6 m)

Climb 15 ft (4.6 m)

Crawl 15 ft (4.6 m)

Senses

Darkvision 120 ft (36.6 m)

Passive Perception 11

Languages

understands the languages of its creator but can't speak

Resistances & Immunities

Damage Immunities

fire, poison, psychic; damage from nonmagical, non-adamantine weapons

Condition Immunities

charmed, fatigue, frightened, paralyzed, petrified, poisoned

Traits

Constructed Nature

Guardians dont require air, sustenance, or sleep.

Fire Absorption

When the guardian is subjected to fire damage, it instead regains hit points equal to the fire damage dealt.

Immutable Form

The guardian is immune to any effect that would alter its form.

Magic Resistance

The guardian has advantage on saving throws against spells and magical effects.

Actions

Multiattack

The guardian makes two sword attacks.

Poison Breath

Recharge 5–6

The guardian exhales poisonous gas in a 15-foot cone. Each creature in the area makes a DC 18 Constitution saving throw taking 45 (10d8) poison damage on a failure or half damage on a success.

Sword

+12 to hit, reach 10 ft (3 m). Hit: 4d10+7 slashing damage.

Melee Weapon Attack: +12 to hit, reach 10 ft., one target. Hit: 29 (4d10 + 7) slashing damage.

Reactions

Deflection

When missed by a ranged attack by a creature the guardian can see, the guardian redirects the attack against a creature within 60 feet that it can see. The original attacker must reroll the attack against the new target.

About Iron Guardian

Iron Guardian is a large construct with a Challenge Rating of 14. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 20 and possesses 210 hit points (derived from 20d10+100).

Iron Guardian has communication capabilities including understands the languages of its creator but can't speak. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Iron Guardian

2 tips available

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

Boss Encounter: Suitable for climactic moments
Multi-phase Battle: Plan dramatic tension with multiple phases

Player Guide: Facing Iron Guardian

2 strategies available

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

Major Threat: Prepare for epic battle
Resource Management: Conserve powerful abilities

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 14.

Solo Encounter:

A single character of level 18 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 21,000 XP
Hard: 31,500 XP
Deadly: 42,000 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 Iron Guardian?: Iron Guardian has a Challenge Rating of 14, making it appropriate for parties of level 14.0.
What type of creature is Iron Guardian?: Iron Guardian is a Large Construct, which affects how certain spells and abilities interact with it.
What languages does Iron Guardian speak?: Iron Guardian can communicate in understands the languages of its creator but can't speak.