Young Gold Dragon

Large dragon, lawful good

Armor Class 18 (natural armor)

Hit Points 178 (17d10+85)

Speed 40ft., fly 80ft., swim 40ft.

Saving Throws Dex +6, Con +9, Wis +5, Cha +9

Skills Insight +5, Perception +9, Persuasion +9, Stealth +6

Damage Immunities fire

Senses blindsight 30ft., darkvision 120ft., passive Perception 19

Languages Common, Draconic

Challenge 10 (5,900 XP)

Traits

Amphibious

The dragon can breathe air and water.

Actions

Multiattack

The dragon makes three attacks: one with its bite and two with its claws.

Bite

Melee Weapon Attack: +10 to hit, reach 10ft., one target.
Hit: 17 (2d10+6) piercing damage.

Claw

Melee Weapon Attack: +10 to hit, reach 5ft., one target.
Hit: 13 (2d6+6) slashing damage.

Breath Weapons (Recharge 5-6)

The dragon uses one of the following breath weapons.

Fire Breath. The dragon exhales fire in a 30ft cone. Each creature in that area must make a DC 17 Dexterity saving throw, taking 55 (10d10) fire damage on a failed save, or half as much damage on a successful one.

Weakening Breath. The dragon exhales gas in a 30ft cone. Each creature in that area must succeed on a DC 17 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.