Ancient Tun Mi Lung
Gargantuan dragon, lawful evil
- Armor Class 22
- Hit Points 481(26d20 + 208)
- Speed 40ft.,swim 40ft., fly 80ft.
STR DEX CON INT WIS CHA 29 (+9) 10 (0) 27 (+8) 18 (+4) 17 (+3) 21 (+5)
- Saving Throws Dex +7, Con +15, Wis +10, Cha +12
- Skills Arcana +11, Deception +12, Insight +10, Perception +17, Persuasion +12, Stealth +7
- Damage Immunities Cold and Lightning
- Senses blindsight 60 ft., darkvision 120ft., passive Perception 27
- Languages Common, Draconic
- Challenge 23 (3687 XP)
Amphibious. The dragon can breathe air and water.
Legendary Resistance (3/day). If the dragon fails a saving throw, it can choose to succeed instead.
Innate Spellcasting. The dragon's innate spellcasting ability is Charisma (spell save DC 20). The dragon can innnately cast the following spells, requiring no material components:
At will: witch bolt
3/day each:darkness, lightning bolt
1/day each:chain lightning, power word stun
Magic Resistance. The dragon has advanage on saving throws against spells and other magical effects.
Actions
Multiattack. The dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.
Bite. Melee Weapon Attack: +16 to hit, reach 15ft., one target. Hit 20 (2d10 + 9) piercing damage plus 11 (2d10) lightning damage.
Claws. Melee Weapon Attack: +16 to hit, reach 10ft., one target. Hit 16 (2d6 + 9)
Tail. Melee Weapon Attack: +16 to hit, reach 20ft., one target. Hit 18 (2d8 + 9)
Frightful Presence. Each creature of the dragon's choice taht is within 120 feet of the dragon and aware of it must succeed on a DC 20 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of it turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the dragon's Frightful Presence for the next 24 hours.
Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true from. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the dragon's choice).
In a new form, the dragon retains its alignment, hitpoints, Hit Dice, ability to speak, proficiencies, Legendary Resistance, lair actions, and Intelligence, Wisdom, and Charisma scores, as well as this action. Its statistics and capabilities are otherwise replaced by those of the new form, except any class features or legendary actions of that form.
Legendary Actions
The draon can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn.
Cantrip. The dragon casts a cantrip.
Detect. The dragon makes a Wisdom (Perception) check.
Tail Atttack. The dragon makes a tail attack.