Young Blue Dragon

Large Dragon, Lawful Evil

AC: 18

Initiative: +0 (10)

HP: 152 (16d10 + 64)

Speed: 40 ft., burrow 20 ft., fly 80 ft.

STR
21 (+5)
DEX
10 (+0)
CON
19 (+4)
INT
14 (+2)
WIS
13 (+1)
CHA
17 (+3)

Saving Throws: Dex +4, Con +8, Wis +5, Cha +7

Skills: Perception +9, Stealth +4

Immunities: lightning

Senses: blindsight 30 ft., darkvision 120 ft., Passive Perception 19

Languages: Common, Draconic

CR: 9 (XP 5,000; PB +4)

Habitat: Desert, Coastal

Actions

Multiattack.

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

Bite.

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

Claw.

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

Lightning Breath (Recharge 5-6).

The dragon exhales lightning in a 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.

Find this creature in the encounter builder

Young Blue Dragon

Source: Monster Manual (2014), p. 91 - Licenses and attribution