Ancient

Traits

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

Actions

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. 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. 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.