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Young Blue Dragon

Large · Dragon · CR 9 · Lawful Evil

Source. 5e 2014 Rules

18 (natural armor)

152 (16d10+64)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

WIS

CHA

Overview

Category Monsters

Subcategory Dragons, Chromatic

Size Large

Type Dragon

Alignment Lawful Evil

XP 5000

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 40 ft (12.2 m)

Crawl 20 ft (6.1 m)

Senses

Darkvision 120 ft (36.6 m)

Blindsight 30 ft (9.1 m)

Passive Perception 19

Saving Throws

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

Skills

Perception +9 Stealth +4

Languages

Common, Draconic

Resistances & Immunities

Damage Immunities

lightning

Environments

Coast Desert

Actions

Bite

Cost 1

+9 to hit, reach 10 ft (3 m). Hit: 2d10 thunder damage.

Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 16 (2d10 + 5) piercing damage plus 5 (1d10) lightning damage.

Claw

Cost 1

+9 to hit, reach 5 ft (1.5 m). Hit: 2d6 thunder damage.

Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage.

Lightning Breath

Recharge 5–6 Cost 1

The dragon exhales lightning in an 60-foot line that is 5 feet wide. Each creature in that line must make a DC 16 Dexterity saving throw, taking 55 (10d10) lightning damage on a failed save, or half as much damage on a successful one.

Multiattack

Cost 1

The dragon makes three attacks: one with its bite and two with its claws.

About Young Blue Dragon

Young Blue Dragon is a large dragon with a Challenge Rating of 9. It has a lawful 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

3 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 40 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.
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

3 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 40 ft! It can ambush from underground. Use 'Earthbind', create difficult terrain, or fight on hard surfaces. 'Stone Shape' can seal burrows.
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 9.

Solo Encounter:

A single character of level 12 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 9,000 XP
Hard: 13,500 XP
Deadly: 18,000 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 9, making it appropriate for parties of level 9.0.
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.