Adult Brass Dragon

Huge / dragon / Chaotic Good / CR 13

Armor Class18
Hit Points172 (15d12 + 75)
Speed40 ft, burrow 30 ft, fly 80 ft
Challenge13
Proficiency+5
STR23+6
DEX10+0
CON21+5
INT14+2
WIS13+1
CHA17+3
Saving Throws

Dexterity +5, Constitution +10, Wisdom +6, Charisma +8

Skills

History +7, Perception +11, Persuasion +8, Stealth +5

Initiative

+0

Senses

Blindsight 60 ft, Darkvision 120 ft

Languages

Common, Draconic

Damage immunities

Fire

Traits

Legendary Actions

3 legendary actions; one at a time at the end of another creature’s turn, regaining spent uses at the start of its turn

Legendary Resistance

special

3/day. If the adult brass dragon fails a saving throw, it can choose to succeed instead.

Actions

Bite

action

Melee Weapon Attack: +11 to hit, reach 10 ft.. Hit: 17 (2d10 + 6) piercing damage.

Claw

action

Melee Weapon Attack: +11 to hit, reach 5 ft.. Hit: 13 (2d6 + 6) slashing damage.

Multiattack

action

The adult brass dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.

Tail

action

Melee Weapon Attack: +11 to hit, reach 15 ft.. Hit: 15 (2d8 + 6) bludgeoning damage.

Frightful Presence

action

Each creature of the adult brass dragon's choice that is within 120 ft. of the dragon and aware of it must succeed on a DC 16 Wisdom saving throw or become frightened 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. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the adult brass dragon's Frightful Presence for the next 24 hours.

Breath Weapons

action

Recharge 5–6. The adult brass dragon uses one of the following breath weapons.
Fire Breath. The adult brass dragon exhales fire in an 60-foot line (5 ft. wide). Each creature in that line must make a DC 18 Dexterity saving throw, taking 45 (13d6) fire damage on a failed save, or half as much damage on a successful one.
Sleep Breath. The adult brass dragon exhales sleep gas in a 60-foot cone. Each creature in that area must succeed on a DC 18 Constitution saving throw or fall unconscious for 10 minutes. This effect ends for a creature if the creature takes damage or someone uses an action to wake it.

Legendary Actions

Detect

legendary

The adult brass dragon makes a Wisdom (Perception) check.

Tail Attack

legendary

The adult brass dragon makes a tail attack.

Wing Attack

legendary

Costs 2 legendary actions. The adult brass dragon beats its wings. Each creature within 10 ft. of the adult brass dragon must succeed on a DC 19 Dexterity saving throw or take 13 (2d6 + 6) bludgeoning damage and be knocked prone. The adult brass dragon can then fly up to half its flying speed.