Young Green Dragon
Large Dragon, lawful evil
3,900 XP
Special Abilities
Amphibious
The dragon can breathe air and water.
Actions
Multiattack
The dragon makes three attacks: one with its bite and two with its claws.
Bite
Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 15 (2d10 + 4) piercing damage plus 7 (2d6) poison damage.
Claw
Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage.
Poison Breath (Recharge 5-6)
The dragon exhales poisonous gas in a 30-foot cone. Each creature in that area must make a DC 14 Constitution saving throw, taking 42 (12d6) poison damage on a failed save, or half as much damage on a successful one.
Quick Reference
Running This Encounter
A Young Green Dragon is an intelligent, cunning foe that uses its environment to maximum advantage. Begin the encounter with the dragon perched in its lair, using ranged attacks before closing in. Leverage the dragon's legendary actions to maintain pressure—tail attacks and wing buffets disrupt the party's formation. Use lair actions like magical darkness or poisoned terrain to control the battlefield.
Combat Tactics
The dragon opens combat with Poison Breath to damage multiple targets and establish dominance. It uses its high AC and mobility to stay airborne, focusing fire on spellcasters while dodging melee attackers. When bloodied, it employs hit-and-run tactics, using terrain and lair features to separate and isolate party members.
Environment & Setting
An ancient forest with a hidden underground lair featuring toxic pools, tangled vines, and crumbling stone architecture. The canopy and multiple vertical levels provide excellent cover for aerial maneuvers and escape routes.