Red Dragon Wyrmling

5e compatible shield

Medium dragon, chaotic evil

Armor Class 17 (natural armor)
Hit Points 75 (10d8 + 30)
Speed 30 ft., climb 30 ft., fly 60 ft.

STR DEX CON INT WIS CHA
19 (+4) 10 (+0) 17 (+3) 12 (+1) 11 (+0) 15 (+2)

Saving Throws Dex +2, Con +5, Wis +2, Cha +4
Skills Perception +4, Stealth +2
Damage Resistances 
Damage Immunities fire
Condition Immunities 
Senses blindsight 10 ft., darkvision 60 ft., passive Perception 14
Languages Draconic
Challenge 4 (1100 XP)

Actions

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 9 (1d10 + 4) piercing damage plus 3 (1d6) fire damage.

Fire Breath (Recharge 5–6). The dragon exhales fire in a 15-foot cone. Each creature in that area must make a DC 13 Dexterity saving throw, taking 24 (7d6) fire damage on a failed save, or half as much damage on a successful one.