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Clockwork Mantis

Large · Construct · CR 6 · Unaligned

Source. Tome of Beasts 2

15 (natural armor)

68 (8d10+24)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-4

WIS

CHA

-5

Overview

Category Monsters

Size Large

Type Construct

Alignment Unaligned

XP 2300

Initiative Bonus +4

Movement

Walk 40 ft (12.2 m)

Swim 20 ft (6.1 m)

Climb 20 ft (6.1 m)

Crawl 20 ft (6.1 m)

Senses

Darkvision 60 ft (18.3 m)

Passive Perception 15

Skills

Perception +5 Stealth +7

Languages

understands Common but can't speak

Resistances & Immunities

Damage Immunities

poison, psychic; bludgeoning, piercing, and slashing from nonmagical attacks not made with adamantine weapons

Condition Immunities

charmed, exhaustion, frightened, paralyzed, petrified, poisoned

Traits

Hobbling Strike

When the clockwork mantis makes a successful opportunity attack, the target’s speed is reduced to 0 until the start of its next turn.

Immutable Form

The clockwork mantis is immune to any spell or effect that would alter its form.

Magic Resistance

The clockwork mantis has advantage on saving throws against spells and other magical effects.

Standing Leap

The clockwork mantis’s long jump is up to 20 feet and its high jump is up to 10 feet, with or without a running start.

Actions

Bite

+7 to hit, reach 5 ft (1.5 m). Hit: 2d8+4 piercing damage.

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) piercing damage.

Invisibility

The clockwork mantis turns invisible until it attacks or until its concentration ends (as if concentrating on a spell). Any equipment the mantis wears or carries is invisible with it.

Multiattack

The clockwork mantis makes two serrated blade attacks. If both attacks hit the same target, the mantis can make a bite attack against another target within range as a bonus action.

Serrated Blade

+7 to hit, reach 5 ft (1.5 m). Hit: 2d6+4 slashing damage.

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage

About Clockwork Mantis

Clockwork Mantis is a large construct with a Challenge Rating of 6. It has a unaligned alignment.

In combat, this creature maintains an Armor Class of 15 and possesses 68 hit points (derived from 8d10+24).

Clockwork Mantis has communication capabilities including understands Common but can't speak. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Clockwork Mantis

2 tips available

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

Significant Threat: Challenging for parties of levels 5-10
Epic Potential: Consider legendary actions for memorable battles

Player Guide: Facing Clockwork Mantis

2 strategies available

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

Significant Threat: Prepare spells and resources
Team Coordination: Coordinate attacks and defenses

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 6.

Solo Encounter:

A single character of level 9 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 4,200 XP
Hard: 6,300 XP
Deadly: 8,400 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 Clockwork Mantis?: Clockwork Mantis has a Challenge Rating of 6, making it appropriate for parties of level 6.0.
What type of creature is Clockwork Mantis?: Clockwork Mantis is a Large Construct, which affects how certain spells and abilities interact with it.
What languages does Clockwork Mantis speak?: Clockwork Mantis can communicate in understands Common but can't speak.