Titan Madness
Ancient Black Dragon
Gargantuan  Dragon 

Armor Class 22  (natural)
Hit Points 365  
Speed 8 , fly 16



STR DEX CON INT WIS CHA
27  (+8) 14  (+2) 25  (+7) 16  (+3) 15  (+2) 19  (+4)
Saving Throws Dex +9, Con +14, Wis +9, Cha +11
Damage Immunities Acid
Senses blindsight,darkvision, passive Perception 26
Languages Common, Draconic
Challenge 21  
Legendary Resistance. 3 uses automatic succeed on save after failure.
Actions
Multiattack. Uses Frightful Presence, then makes one bite and two claw attacks.
Bite. Melee Weapon Attack: +14 to hit, reach 3, one target. Hit: 20 piercing damage.
Bite+. plus 10 acid damage.
Claw. Melee Weapon Attack: +14 to hit, reach 2, one target. Hit: 15 slashing damage.
Tail. Melee Weapon Attack: +14 to hit, reach 4, one target. Hit: 15 bludgeoning damage.
Acid Breath. (Recharge 13-20) DC 22 Dexterity saving throw, half damage on successful save, for 65 acid damage in Line 18
Frightful Presence. DC 19 Wisdom saving throw, frightened. Save at end of each turn, successful save creature becomes immune. within 24 Area
Wing Attack. DC 23 Dexterity saving throw or take damage and knocked prone., for 15 bludgeoning damage in Melee