Young Blue Dragon

AC: 18

Initiative: +4 (14)

HP: 152 (16d10 + 64)

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

Saving Throws: Dex +4, Wis +5

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)

Treasure: Relics

Actions

Multiattack.

The dragon makes three Rend attacks.

Rend.

Melee Attack Roll: +9, reach 10 ft. Hit: 12 (2d6 + 5) Slashing damage plus 5 (1d10) Lightning damage.

Lightning Breath (Recharge 5-6).

Dexterity Saving Throw: DC 16, each creature in a 60-foot-long, 5-foot-wide Line. Failure: 55 (10d10) Lightning damage. Success: Half damage.