Amphibious. The dragon can breathe air and water.

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 + 5) piercing damage plus 10 (3d6) poison damage.

Claw. Melee Weapon Attack: +15 to hit, reach 10 ft., one target. Hit: 22 (3d6 + 5) slashing damage.

Tail. Melee Weapon Attack: +15 to hit, reach 20 ft., one target. Hit: 17 (2d8 + 5) bludgeoning damage.

From Green. Each turn taken the green dragon summons another shrieker to the field.

From Darkness: The dragon may enter shadows once per two turns making a stealth roll with advantage.

Acid Poison Breath (Recharge 5–6). The dragon exhales poisonous gas and a jet of acid in a 50-­-foot jet. Each creature in that area must make a DC 15 Constitution saving throw, taking 36 (6d6) poison damage on a failed save, or half as much damage on a successful one.

Atonement with Nature: The green dragon is able to call forth roots from the ground to snare two enemies within 30 feet. The target creature must make a 15 dex saving throw or else be entangled by the roots requiring a 15 strength saving throw to break out on their next turn taking up that turn's duration.

The dragon can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn.

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 feet 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.