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Young Blue Dragon

Large · Dragon · CR 10 · Chaotic Evil

Source. Monstrous Menagerie

152 (16d10+64)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

WIS

CHA

Overview

Category Monsters

Size Large

Type Dragon

Alignment Chaotic Evil

XP 5900

Initiative Bonus +0

Movement

Walk 40 ft (12.2 m)

Fly 80 ft (24.4 m)

Swim 20 ft (6.1 m)

Climb 20 ft (6.1 m)

Burrow 20 ft (6.1 m)

Crawl 20 ft (6.1 m)

Senses

Darkvision 120 ft (36.6 m)

Blindsight 30 ft (9.1 m)

Tremorsense 30 ft (9.1 m)

Passive Perception 18

Saving Throws

Dexterity +4 Constitution +8 Wisdom +5 Charisma +7

Skills

Perception +5 Stealth +4 Survival +5

Languages

Common, Draconic

Resistances & Immunities

Damage Immunities

lightning

Traits

Desert Farer

The dragon ignores difficult terrain or obscurement caused by sand or gravel, even while flying. Additionally, it ignores the effects of extreme heat.

Dune Splitter

The dragon can remain submerged in sand and gravel for up to 4 hours. It has advantage on Stealth checks to hide in this way.

Innate Spellcasting

The dragons spellcasting ability is Charisma (save DC 15). It can innately cast the following spells, requiring no material components.
- 3/Day Each: Blur, Silent Image

Actions

Bite

+9 to hit, reach 10 ft (3 m). Hit: 3d10+5 plus 1d8 lightning damage.

Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 21 (3d10 + 5) piercing damage plus 4 (1d8) lightning damage.

Claw

+9 to hit, reach 5 ft (1.5 m). Hit: 2d8+5 slashing damage.

Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 14 (2d8 + 5) slashing damage.

Lightning Breath

Recharge 5–6

The dragon exhales a 60-foot-long 5-foot-wide line of lightning. Each creature in that area makes a DC 16 Dexterity saving throw taking 44 (8d10) lightning damage on a failed save or half damage on a success. A creature that fails the save can't take reactions until the end of its next turn.

Multiattack

The dragon attacks once with its bite and twice with its claws.

About Young Blue Dragon

Young Blue Dragon is a large dragon with a Challenge Rating of 10. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 18 and possesses 152 hit points (derived from 16d10+64).

Young Blue Dragon has communication capabilities including Common, Draconic. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Young Blue Dragon

4 tips available

When using Young Blue Dragon in your D&D 5e campaign, consider these tactical approaches:

Flight Control Strategy: Target flying creatures with spells like 'Hold Person', 'Web', or 'Grease' to ground them. Without flight restriction, they can escape melee range easily. Consider area denial spells below their flight altitude to force them into disadvantageous positions.
Burrowing Tactics: This creature can burrow at 20 ft. It can ambush from underground or escape combat by digging. Use 'Earthbind' or create difficult terrain to limit burrowing. Consider fighting in areas without soft ground.
Aquatic Combat: This creature can swim at 20 ft. It has advantage in water environments. Consider fighting on land or using water-based spells against it.
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 Young Blue Dragon

4 strategies available

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

Counter Flight Advantage: This creature can fly! Use ranged attacks, reach weapons, or spells like 'Thunderwave' to push it away. Consider 'Gust of Wind' or 'Earthbind' to ground it. Melee characters need fly speed or flight magic to engage.
Burrowing Defense: This creature can burrow at 20 ft! It can ambush from underground. Use 'Earthbind', create difficult terrain, or fight on hard surfaces. 'Stone Shape' can seal burrows.
Aquatic Combat Defense: This creature can swim at 20 ft! It has advantage in water. Fight on land if possible. Use 'Control Water' or drain water sources to limit its mobility.
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 10.

Solo Encounter:

A single character of level 13 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 11,000 XP
Hard: 16,500 XP
Deadly: 22,000 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 Young Blue Dragon?: Young Blue Dragon has a Challenge Rating of 10, making it appropriate for parties of level 10.0.
What type of creature is Young Blue Dragon?: Young Blue Dragon is a Large Dragon, which affects how certain spells and abilities interact with it.
What languages does Young Blue Dragon speak?: Young Blue Dragon can communicate in Common, Draconic.