Creature Reference Back to Creatures

Crystallite

Large · Giant · CR 4 · Lawful Neutral

Source. Tome of Beasts 3

15 (natural armor)

90 (12d10+24)

Ability Scores

Core attributes and their modifiers.

STR

DEX

-1

CON

INT

WIS

CHA

-1

Overview

Category Monsters

Size Large

Type Giant

Alignment Lawful Neutral

XP 1100

Initiative Bonus -1

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)

Tremorsense 60 ft (18.3 m)

Passive Perception 12

Skills

Perception +0

Languages

Giant

Resistances & Immunities

Damage Immunities

poison

Damage Resistances

cold, fire

Condition Immunities

poisoned

Traits

False Appearance

While motionless indistinguishable from large geode.

Final Form

When it dies its corpse transforms into crystal and becomes a Large object that can be attacked and destroyed (AC 17; hp 45; immunity to poison and psychic). It can no longer be affected by spells and effects that target creatures.

Reactions

Calcify

When it takes 5+ damage on a single turn it can reduce its hp max by an amount equal to damage taken and gains a +1 bonus to AC. Reduction and bonus last until it finishes a long rest. Can't increase its AC above 20 using this.

About Crystallite

Crystallite is a large giant with a Challenge Rating of 4. It has a lawful neutral alignment.

In combat, this creature maintains an Armor Class of 15 and possesses 90 hit points (derived from 12d10+24).

Crystallite has communication capabilities including Giant. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Crystallite

2 tips available

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

Mid-level Encounter: Ideal for parties levels 3-8 as solo or small groups
Terrain Advantage: Use terrain to offset moderate combat abilities

Player Guide: Facing Crystallite

2 strategies available

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

Moderate Threat: Prepare standard combat tactics
Tactical Advantage: Use terrain and positioning

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

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

Solo Encounter:

A single character of level 6 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 2,000 XP
Hard: 3,000 XP
Deadly: 4,000 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 Crystallite?: Crystallite has a Challenge Rating of 4, making it appropriate for parties of level 4.0.
What type of creature is Crystallite?: Crystallite is a Large Giant, which affects how certain spells and abilities interact with it.
What languages does Crystallite speak?: Crystallite can communicate in Giant.