Ancient Red Dragon
gargantuan dragon, chaotic evil
AC 22
Initiative +0 (10)
HP 507 (26d20 + 234)
Speed 40 ft., Climb 40 ft., Fly 80 ft.
Skills Perception +16, Stealth +7
Immunities fire
Senses Blindsight 60 ft., Darkvision 120 ft. Passive Perception 26
Languages Common, Draconic
CR 24 (XP 62,000; PB +7)
Legendary Resistance (4/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.
Actions
Fire Breath (Recharge 5-6). Dexterity Saving Throw: DC 24, each creature in a 90-foot Cone. Failure: 91 (26d6) Fire damage. Success: Half damage.
Multiattack. The dragon makes three Rend attacks. It can replace one attack with a use of Spellcasting to cast Scorching Ray (level 3 version).
Rend. Melee Attack Roll: +17, reach 15 ft. 19 (2d8 + 10) Slashing damage plus 10 (3d6) Fire damage.
Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 23, +15 to hit with spell attacks): - At Will: Command, Detect Magic, Scorching Ray - 1e/Day Each: Fireball, Scrying
Legendary Actions
Commanding Presence. The dragon uses Spellcasting to cast Command (level 2 version). The dragon can't take this action again until the start of its next turn.
Fiery Rays. The dragon uses Spellcasting to cast Scorching Ray (level 3 version). The dragon can't take this action again until the start of its next turn.
Pounce. The dragon moves up to half its Speed, and it makes one Rend attack.
Ancient Red Dragon is from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, used under the Creative Commons Attribution 4.0 International License. Full attribution is on the Licenses & Attribution page.