Blue Dragon Wyrmling
Medium dragon, lawful evil
STR
17
DEX
10
CON
15
INT
12
WIS
11
CHA
15
Armor Class: 17
Hit Points: 52 (8d8+16)
Speed: Walk 30 ft., Swim
Challenge Rating: 3 (700 XP)
Saving Throws: Dex +2 Con +4 Wis +2 Cha +4
Skills: Perception +4 Stealth +2
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.