Ancient Red Dragon
Gargantuan Dragon (chromatic), Chaotic EvilAC 22
HP 507 (26d20 + 234)
Speed 40 ft., climb 40 ft., fly 80 ft.
STR
30 (+10)
Save +10
DEX
10 (+0)
Save +7
CON
29 (+9)
Save +9
INT
18 (+4)
Save +4
WIS
15 (+2)
Save +9
CHA
27 (+8)
Save +8
Saving Throws DEX +7, WIS +9
Skills Perception +16, Stealth +7
Immunities Fire
Senses Blindsight 60 ft., Darkvision 120 ft., Passive Perception 26
Languages Common, Draconic
CR 24
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. Hit: 19 (2d8 + 10) Slashing damage plus 10 (3d6) Fire damage.
Fire Breath (Recharge 5+). dex 24, each creature in a 90-foot Cone. Failure: 91 (26d6) Fire damage. Success: Half damage.
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.