Blue Dragon Wyrmling

Medium, dragon, lawful evil

CR 3AC 17HP 52 (8d8)

Speed fly 60 ft, walk 30 ft, burrow 15 ft

str: 17; (+3)
dex: 10; (+0)
con: 15; (+2)
int: 12; (+1)
wis: 11; (+0)
cha: 15; (+2)

Saving Throws CHA +4, CON +4, DEX +2, WIS +2

Skills stealth +2, perception +4

Damage Immunities lightning

Senses blindsight: 10 ft., darkvision: 60 ft., passive_perception: 14

Languages Draconic

Actions

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 8 (1d10 + 3) piercing damage plus 3 (1d6) lightning damage.

Lightning Breath. The dragon exhales lightning in a 30-foot line that is 5 feet wide. Each creature in that line must make a DC 12 Dexterity saving throw, taking 22 (4d10) lightning damage on a failed save, or half as much damage on a successful one.