Blue Dragon Wyrmling
Medium Dragon, lawful evil
Armor Class 17 (natural armor)
Hit Points 52 (8d8+16)
Speed fly +60, walk +30, burrow +15
Challenge 3
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 (Recharge 5-6). 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.
Source: 5e Core Rules · OGL/Open