Adult Green Dragon

Huge / dragon / Lawful Evil / CR 15

Armor Class19
Hit Points207 (18d12 + 90)
Speed40 ft, fly 80 ft, swim 40 ft
Challenge15
Proficiency+5
STR23+6
DEX12+1
CON21+5
INT18+4
WIS15+2
CHA17+3
Saving Throws

Dexterity +6, Constitution +10, Wisdom +7, Charisma +8

Skills

Deception +8, Insight +7, Perception +12, Persuasion +8, Stealth +6

Initiative

+1

Senses

Blindsight 60 ft, Darkvision 120 ft

Languages

Common, Draconic

Damage immunities

Poison

Condition immunities

Poisoned

Traits

Amphibious

The adult green dragon can breathe air and water.

Legendary Resistance

special

3/day. If the adult green dragon fails a saving throw, it can choose to succeed instead.

Legendary Actions

3 legendary actions; one at a time at the end of another creature’s turn, regaining spent uses at the start of its turn

Actions

Multiattack

action

The adult green dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.

Bite

action

Melee Weapon Attack: +11 to hit, reach 10 ft.. Hit: 17 (2d10 + 6) piercing plus 7 (2d6) poison damage.

Claw

action

Melee Weapon Attack: +11 to hit, reach 5 ft.. Hit: 13 (2d6 + 6) slashing damage.

Tail

action

Melee Weapon Attack: +11 to hit, reach 15 ft.. Hit: 15 (2d8 + 6) bludgeoning damage.

Frightful Presence

action

Each creature of the adult green dragon's choice that is within 120 ft. of the dragon and aware of it must succeed on a DC 16 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 adult green dragon's Frightful Presence for the next 24 hours.

Poison Breath

action

Recharge 5–6. The adult green dragon exhales poisonous gas in a 60-foot cone. Each creature in that area must make a DC 18 Constitution saving throw, taking 56 (16d6) poison damage on a failed save, or half as much damage on a successful one.

Legendary Actions

Detect

legendary

The adult green dragon makes a Wisdom (Perception) check.

Tail Attack

legendary

The adult green dragon makes a tail attack.

Wing Attack

legendary

Costs 2 legendary actions. The adult green dragon beats its wings. Each creature within 10 ft. of the adult green dragon must succeed on a DC 19 Dexterity saving throw or take 13 (2d6 + 6) bludgeoning damage and be knocked prone. The adult green dragon can then fly up to half its flying speed.