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Ancient Green Dragon

Gargantuan dragon, lawful evil

Challenge Rating
22
XP
41,000
Armor Class
21
Hit Points
385 (22d20)
Speed
40 ft., fly 80 ft., swim 40 ft.
Ability Scores
STR DEX CON INT WIS CHA
27 (+8) 12 (+1) 25 (+7) 20 (+5) 17 (+3) 19 (+4)
Skills
Deception: +11, Insight: +10, Perception: +17, Persuasion: +11, Stealth: +8
Senses
Blindsight 60 ft., darkvision 120 ft., passive perception 27
Languages
Common, draconic
Damage Immunities
poison
Condition Immunities
poisoned
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.

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: +15 to hit, reach 15 ft., one target. Hit: 19 (2d10 + 8) piercing damage plus 10 (3d6) poison damage.
Claw
Melee Weapon Attack: +15 to hit, reach 10 ft., one target. Hit: 22 (4d6 + 8) slashing damage.
Tail
Melee Weapon Attack: +15 to hit, reach 20 ft., one target. Hit: 17 (2d8 + 8) bludgeoning damage.
Frightful Presence
Each creature of the dragon's choice that is within 120 feet of the dragon and aware of it must succeed on a DC 19 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its 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.
Poison Breath (Recharge 5-6)
The dragon exhales poisonous gas in a 90-foot cone. Each creature in that area must make a DC 22 Constitution saving throw, taking 77 (22d6) poison damage on a failed save, or half as much damage on a successful one.

Legendary Actions

Detect
The dragon makes a Wisdom (Perception) check.
Tail Attack
The dragon makes a tail attack.
Wing Attack (Costs 2 Actions)
The dragon beats its wings. Each creature within 15 ft. of the dragon must succeed on a DC 23 Dexterity saving throw or take 15 (2d6 + 8) bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.

D&D 5E SRC

Monster Cards