Young Blue Dragon

Chromatic Dragon

Large dragon, lawful evil

Armour Class: 18 (natural armour)
Hit Points: 152 (16d10 + 64)
Speed: 40 ft., burrow 20 ft., fly 80 ft.

Saving Throws: Dex +4, Con +8, Wis +5, Cha +7
Skills: Perception +9, Stealth +4
Damage Immunities: lightning
Senses: blindsight 30 ft., darkvision 120 ft., passive Perception 19
Languages: Common, Draconic
Challenge: 9 (5,000 XP)

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 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.