Gold Dragon Wyrmling

Medium dragon, lawful good

Armor Class: 17 (natural armor)
Hit Points: 60 (8d8 + 24)
Speed: 30 ft., fly 60 ft., swim 30 ft.

STR: 19 (+4)
DEX: 14 (+2)
CON: 17 (+3)
INT: 14 (+2)
WIS: 11 (+0)
CHA: 16 (+3)

Saving Throws: Dex +4, Con +5, Wis +2, Cha +5
Skills: Perception +4, Stealth +4
Damage Immunities: fire
Senses: blindsight 10 ft., darkvision 60 ft., passive Perception 14
Languages: Draconic
Challenge: 3 (700 XP)

Amphibious. The dragon can breathe air and water.

Actions

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

Breath Weapons (Recharge 5-6). The dragon uses one of the following breath weapons.

Fire Breath. The dragon exhales fire in a 15-foot cone. Each creature in that area must make a DC 13 Dexterity saving throw, taking 22 (4d10) fire damage on a failed save, or half as much damage on a successful one.

Weakening Breath. The dragon exhales gas in a 15-foot cone. Each creature in that area must succeed on a DC 13 Strength saving throw or have disadvantage on Strength-based attack rolls, Strength checks, and Strength saving throws for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

Running this fight? Add the gold dragon wyrmling to the initiative tracker: type its name and the AC, hit points and initiative bonus fill in, and the book button shows this stat block mid-fight.