Ancient Brass Dragon

Stat block

Cha

22

Con

25

Dex

10

Int

16

Str

27

Wis

15

Speed

Fly: 80; Walk: 40; Burrow: 40

Senses

blindsight 60 ft., darkvision 120 ft., passive Perception 24

Skills

History: 9; Stealth: 6; Perception: 14; Persuasion: 12

Actions

• Multiattack. The dragon makes three Rend attacks. It can replace one attack with a use of (A) Sleep Breath or (B) Spellcasting to cast Scorching Ray (level 3 version).
• Rend. Melee Attack Roll: +14, reach 15 ft. 19 (2d10 + 8) Slashing damage plus 7 (2d6) Fire damage.
• Fire Breath. Dexterity Saving Throw: DC 21, each creature in a 90-foot-long, 5-foot-wide Line. Failure: 58 (13d8) Fire damage. Success: Half damage.
• Sleep Breath. Constitution Saving Throw: DC 21, each creature in a 90-foot Cone. Failure: The target has the Incapacitated condition until the end of its next turn, at which point it repeats the save. Second Failure The target has the Unconscious condition for 10 minutes. This effect ends for the target if it takes damage or a creature within 5 feet of it takes an action to wake it.
• Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 20): - **At Will:** Detect Magic, Minor Illusion, Scorching Ray, Shapechange, Speak with Animals - **1/Day Each:** Control Weather, Detect Thoughts

Hit dice

19d20 + 133

Languages

Common, Draconic

Armor detail

natural armor

Saving throws

Wisdom: 8; Dexterity: 6

Damage immunities

fire

Legendary actions

• Blazing Light. The dragon uses Spellcasting to cast Scorching Ray (level 3 version).
• Pounce. The dragon moves up to half its Speed, and it makes one Rend attack.
• Scorching Sands. Dexterity Saving Throw: DC 20, one creature the dragon can see within 120 feet. Failure: 36 (8d8) Fire damage, and the target's Speed is halved until the end of its next turn. Failure or Success: The dragon can't take this action again until the start of its next turn.

Special abilities

• Legendary Resistance (4/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.