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Stone Colossus

Gargantuan · Construct · CR 16 · Chaotic Evil

Source. Monstrous Menagerie

263 (17d20+85)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-4

WIS

CHA

-5

Overview

Category Monsters

Size Gargantuan

Type Construct

Alignment Chaotic Evil

XP 15000

Initiative Bonus +0

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

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.

Immutable Form

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

Legendary Resistance (2/Day)

If the colossus fails a saving throw, it can choose to succeed instead. When it does so, it crumbles and cracks, losing 20 hit points.

Magic Resistance

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

Siege Monster

The colossus deals double damage to objects and structures.

Actions

Multiattack

The guardian attacks twice with its slam.

Rock

+10 to hit, range 60/240 ft (18.3/73.2 m). Hit: 7d6+6 bludgeoning damage.

Ranged Weapon Attack: +10 to hit, range 60/240 ft., one target. Hit: 30 (7d6 + 6) bludgeoning damage. The target makes a DC 18 Strength saving throw falling prone on a failure.

Slam

+10 to hit, reach 5 ft (1.5 m). Hit: 3d8+6 bludgeoning damage.

Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 19 (3d8 + 6) bludgeoning damage.

Bonus Actions

Slow

Recharge 5–6

The guardian targets one or more creatures within 30 feet. Each target makes a DC 17 Wisdom saving throw. On a failure, the target is slowed for 1 minute. A target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

Legendary Actions

Bolt from the Blue

Cost 2

If the colossus is outside, it calls a bolt of energy down from the sky, hitting a point on the ground or water within 120 feet. Each creature in a 10-foot-radius, sky-high cylinder centered on that point makes a DC 17 Dexterity saving throw, taking 28 (8d6) lightning damage on a failed save or half damage on a success. The colossus can choose to make the bolt deal fire or radiant damage instead of lightning.

Fling

Cost 1

The colossus throws one Large or smaller object or creature it is grappling up to 60 feet. The target lands prone and takes 21 (6d6) bludgeoning damage. If the colossus throws the target at another creature, that creature makes a DC 18 Dexterity saving throw, taking the same damage on a failure.

Seize

Cost 1

Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 16 (4d4 + 6) bludgeoning damage, and the target is grappled (escape DC 18). Until this grapple ends, the target is restrained, and the colossus can't seize a different creature.

Stomp

Cost 1

Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 20 (4d6 + 6) bludgeoning damage. If the target is a Large or smaller creature, it makes a DC 18 Strength check, falling prone on a failure.

The colossus can take 2 legendary actions

Cost 1

Only one legendary action can be used at a time and only at the end of another creatures turn. It regains spent legendary actions at the start of its turn.

About Stone Colossus

Stone Colossus is a gargantuan construct with a Challenge Rating of 16. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 17 and possesses 263 hit points (derived from 17d20+85).

Stone Colossus 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 Stone Colossus

2 tips available

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

Fire Damage Mitigation: This creature deals fire damage. Advise players to have fire resistance ready or use water-based tactics. Consider environmental fire hazards that could backfire on the creature.
Lightning Damage Awareness: Lightning attacks often have long range and high speed. Advise players to use cover and avoid metal armor/weapons. Water surfaces amplify lightning damage - avoid fighting near water.

Player Guide: Facing Stone Colossus

2 strategies available

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

Fire Damage Protection: This creature deals fire damage! Get fire resistance from spells like 'Resistance' or potions. Avoid fighting near flammable objects. Water spells can counter fire attacks.
Lightning Damage Protection: This creature deals lightning damage! Avoid metal armor and weapons. Use cover and avoid water surfaces. 'Iron Skin' or 'Protection from Energy' can help.

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 Stone Colossus?: Stone Colossus has a Challenge Rating of 16, making it appropriate for parties of level 16.0.
What type of creature is Stone Colossus?: Stone Colossus is a Gargantuan Construct, which affects how certain spells and abilities interact with it.
What languages does Stone Colossus speak?: Stone Colossus can communicate in understands the languages of its creator but can't speak.