Young Brass Dragon

Large dragon, chaotic good

Armor Class 17 (natural armor)

Hit Points 110 (13d10+39)

Speed 40ft., burrow 20ft., fly 80ft.

Saving Throws Dex +3, Con +6, Wis +3, Cha +5

Skills Perception +6, Persuasion +5, Stealth +3

Damage Immunities fire

Senses blindsight 30ft., darkvision 120ft., passive Perception 16

Languages Common, Draconic

Challenge 6 (2,300 XP)

Actions

Multiattack

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

Bite

Melee Weapon Attack: +7 to hit, reach 10ft., one target.
Hit: 15 (2d10+4) piercing damage.

Claw

Melee Weapon Attack: +7 to hit, reach 5ft., one target.
Hit: 11 (2d6+4) slashing damage.

Breath Weapons (Recharge 5-6)

The dragon uses one of the following breath weapons.

Fire Breath. The dragon exhales fire in a 40ft line that is 5ft wide. Each creature in that line must make a DC 14 Dexterity saving throw, taking 42 (12d6) fire damage on a failed save, or half as much damage on a successful one.

Sleep Breath. The dragon exhales sleep gas in a 30ft cone. Each creature in that area must succeed on a DC 14 Constitution saving throw or fall unconscious for 5 minutes. This effect ends for a creature if the creature takes damage or someone uses an action to wake it.