5e SRD:Green Dragon Wyrmling
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Green Dragon Wyrmling
Medium dragon, lawful evil
Saving Throws Dex +3, Con +3, Wis +2, Cha +3
Amphibious. The dragon can breathe air and water.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (1d10 + 2) piercing damage plus 3 (1d6) poison damage.
Poison Breath (Recharge 5-6). The dragon exhales poisonous gas in a 15-foot cone. Each creature in that area must make a DC 11 Constitution saving throw, taking 21 (6d6) poison damage on a failed save, or half as much damage on a successful one.
See 5e SRD:Dragons.