D&D 5e monster · SRD 5.2
Ancient Black Dragon
Gargantuan Dragon (Chromatic), Chaotic Evil
- Armor Class
- 22
- Hit Points
- 367 (21d20+147)
- Speed
- 40 ft., fly 80 ft., swim 40 ft.
- Initiative
- +16
- Challenge
- 21 (33000 XP)
- Proficiency Bonus
- +7
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| 27+8 | 14+2 | 25+7 | 16+3 | 15+2 | 22+6 |
- Saving Throws:
- DEX +9, WIS +9
- Damage Immunities:
- acid
- Senses:
- darkvision 120 ft., blindsight 60 ft., Passive Perception 26
Traits
Amphibious. The dragon can breathe air and water.
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 creature makes 3 attacks.
Rend. Melee Attack Roll: +15, reach 15 ft.. Hit: 2d8+8 slashing damage, plus 2d8 acid damage.
Acid Breath (Recharge 5–6). Dexterity Saving Throw: DC 22. Failure: 15d8 acid damage; Success: half damage.
Spellcasting. spell save DC 21, spell attack +13. At will: Detect Magic, Fear, Acid Arrow. 1/day: Create Undead, Speak with Dead, Vitriolic Sphere.
Legendary Actions
The creature can take 3 legendary actions, choosing from the options below — one at the end of another creature's turn. Spent actions are regained at the start of its turn.
Cloud of Insects. Dexterity Saving Throw: DC 21, one creature the dragon can see within 120 feet. Failure: 33 (6d10) Poison damage, and the target has Disadvantage on saving throws to maintain Concentration until the end of its next turn. Failure or Success: The dragon can't take this action again until the start of its next turn.
Frightful Presence. The dragon uses Spellcasting to cast Fear. 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.