Adult Green Dragon
Huge dragon · CR 15 · 13,000 XP
19 AC · 207 HP
Roll the Adult Green Dragon
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Stat block
- Type
- Huge dragon, lawful evil
- Armor Class
- 19
- Hit Points
- 207 (18d12 + 90)
- Speed
- 40 ft., fly 80 ft., swim 40 ft.
- Challenge
- 15 (13,000 XP), proficiency +5
- Immunities
- poison
- Condition immunities
- Poisoned
- Senses
- darkvision 120 ft., blindsight 60 ft., passive perception 22
- Languages
- Common, Draconic
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| 23 | 12 | 21 | 18 | 15 | 18 |
Adult Green Dragon odds against your Armor Class
Chance to hit, then average damage per attack once misses and critical hits are counted.
| Attack | AC 12 | AC 14 | AC 15 | AC 16 | AC 18 | AC 20 |
|---|---|---|---|---|---|---|
| Rend (+11) | 95% 21.7 dmg | 90% 20.6 dmg | 85% 19.5 dmg | 80% 18.4 dmg | 70% 16.2 dmg | 60% 14 dmg |
| Full turn (3 attacks) | 65.1 dmg | 61.8 dmg | 58.5 dmg | 55.2 dmg | 48.6 dmg | 42 dmg |
Adult Green Dragon hit points
The stat block uses the average, 207. Rolled, 18d12 + 90 lands anywhere from 108 to 306.
| Hit points | Chance |
|---|---|
| 158 or more | >99% |
| 207 or more | 51% |
| 257 or more | <1% |
| 286 or more | <1% |
Traits
Amphibious. The dragon can breathe air and water.
Legendary Resistance. 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 Mind Spike (level 3 version).
Rend. Melee Attack Roll: +11, reach 10 ft. Hit: 15 () Slashing damage plus 7 () Poison damage.
Poison Breath. Constitution Saving Throw: DC 18, each creature in a 60-foot Cone. Failure: 56 () Poison damage. Success: Half damage.
Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 17):
Legendary actions
Mind Invasion. The dragon uses Spellcasting to cast Mind Spike (level 3 version).
Noxious Miasma. Constitution Saving Throw: DC 17, each creature in a 20-foot-radius Sphere centered on a point the dragon can see within 90 feet. Failure: 7 () Poison damage, and the target takes a −2 penalty to AC 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.
Pounce. The dragon moves up to half its Speed, and it makes one Rend attack.
Other CR 15 monsters
Adult Bronze Dragon
Mummy Lord
Purple WormThis page includes material from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, available at dndbeyond.com/srd. The SRD 5.2.1 is licensed under the Creative Commons Attribution 4.0 International License. The averages, odds and tables are ours.