Ancient Black Dragon
D&D 5e 2024 rules. Stats use the 2024 rules from the System Reference Document 5.2.1.
The Ancient Black Dragon is a Gargantuan dragon, with Armor Class 22, 367 hit points, and Challenge Rating 21. The Ancient Black Dragon is a sadistic aquatic apex predator that haunts lightless swamps and flooded ruins.
Stat Block
- Edition: D&D 5e 2024 rules
- Size: Gargantuan
- Type: dragon
- Challenge Rating: 21
- Armor Class: 22
- Hit Points: 367
- Speed: 40 ft., fly 80 ft., swim 40 ft.
- STR: 27
- DEX: 14
- CON: 25
- INT: 16
- WIS: 15
- CHA: 22
- Resistances: Immune: acid
Abilities & Attacks
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 dragon makes three Rend attacks. It can replace one attack with a use of Spellcasting to cast Acid Arrow (level 4 version). Acid Breath (Recharge 5–6). Dexterity Saving Throw: DC 22, each creature in a 90-foot-long, 10-foot-wide Line. Failure: 67 (15d8) Acid damage. Success: Half damage. Legendary Actions Legendary Action Uses: 3 (4 in Lair). Immediately after another creature's turn, the dragon can expend a use to take one of the following actions. The dragon regains all expended uses at the start of each of its turns. 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.
Common Questions
How much HP does an Ancient Black Dragon have?
367 hit points.
What is an Ancient Black Dragon's Challenge Rating?
Challenge Rating 21.
What is an Ancient Black Dragon's Armor Class?
AC 22.
How fast can an Ancient Black Dragon move?
Speed 40 ft., fly 80 ft., swim 40 ft.
Use Ancient Black Dragon at your table
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License
This work includes material from the System Reference Document 5.2.1 ("SRD 5.2.1") by Wizards of the Coast LLC, available at https://www.dndbeyond.com/srd. The SRD 5.2.1 is licensed under the Creative Commons Attribution 4.0 International License, available at https://creativecommons.org/licenses/by/4.0/legalcode.
ZapGM has reformatted and adapted this material for its monster pages and rules reference. Section 5 of CC-BY-4.0 includes a Disclaimer of Warranties and Limitation of Liability.
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