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Monster · SRD 5.2.1

Ancient Bronze Dragon

Gargantuan dragon, lawful good

Armor Class
22
Hit Points
444 (24d20)
Speed
fly 80 ft., swim 40 ft., 40 ft.
STR
29 (+9)
DEX
10 (+0)
CON
27 (+8)
INT
18 (+4)
WIS
17 (+3)
CHA
25 (+7)
Senses
blindsight 60 ft., darkvision 120 ft., passive perception 27
Languages
Common, Draconic
Challenge
22 (41,000 XP)

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 dragon makes three Rend attacks. It can replace one attack with a use of (A) Repulsion Breath or (B) Spellcasting to cast Guiding Bolt (level 2 version).

Rend. Melee Attack Roll: +16, reach 15 ft. Hit: 18 (2d8 + 9) Slashing damage plus 9 (2d8) Lightning damage.

Lightning Breath (Recharge 5–6). Dexterity Saving Throw: DC 23, each creature in a 120-foot-long, 10-foot-wide Line. Failure: 82 (15d10) Lightning damage. Success: Half damage.

Repulsion Breath. Strength Saving Throw: DC 23, each creature in a 30-foot Cone. Failure: The target is pushed up to 60 feet straight away from the dragon and has the Prone condition.

Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 22, +14 to hit with spell attacks): At Will: Detect Magic, Guiding Bolt (level 2 version), Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary Hit Points required to maintain the spell), Speak with Animals, Thaumaturgy 1/Day Each: Detect Thoughts, Control Water, Scrying, Water Breathing

Legendary Actions

Guiding Light. The dragon uses Spellcasting to cast Guiding Bolt (level 2 version).

Pounce. The dragon moves up to half its Speed, and it makes one Rend attack.

Thunderclap. Constitution Saving Throw: DC 22, each creature in a 20-foot-radius Sphere centered on a point the dragon can see within 120 feet. Failure: 13 (3d8) Thunder damage, and the target has the Deafened condition until the end of its next turn.

Gargantuan dragon, lawful good

Special Abilities

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 (A) Repulsion Breath or (B) Spellcasting to cast Guiding Bolt (level 2 version).

Rend

Melee Attack Roll: +16, reach 15 ft. Hit: 18 (2d8 + 9) Slashing damage plus 9 (2d8) Lightning damage.

Lightning Breath (Recharge 5–6)

Dexterity Saving Throw: DC 23, each creature in a 120-foot-long, 10-foot-wide Line. Failure: 82 (15d10) Lightning damage. Success: Half damage.

Repulsion Breath

Strength Saving Throw: DC 23, each creature in a 30-foot Cone. Failure: The target is pushed up to 60 feet straight away from the dragon and has the Prone condition.

Spellcasting

The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 22, +14 to hit with spell attacks): At Will: Detect Magic, Guiding Bolt (level 2 version), Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary Hit Points required to maintain the spell), Speak with Animals, Thaumaturgy 1/Day Each: Detect Thoughts, Control Water, Scrying, Water Breathing

Legendary Actions

Guiding Light

The dragon uses Spellcasting to cast Guiding Bolt (level 2 version).

Pounce

The dragon moves up to half its Speed, and it makes one Rend attack.

Thunderclap

Constitution Saving Throw: DC 22, each creature in a 20-foot-radius Sphere centered on a point the dragon can see within 120 feet. Failure: 13 (3d8) Thunder damage, and the target has the Deafened condition until the end of its next turn.

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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.

Reformatted and reorganized for presentation on PostRoll; text unmodified.

Licensed under Creative Commons Attribution 4.0 International.

srd-5.2.1 · Version 1.0.0 · Updated Jul 9, 2026