Brown Dragon Wyrmling (5e Creature)
From D&D Wiki
Brown Dragon Wyrmling
Medium dragon, chaotic evil
Saving Throws Dex +3, Con +4, Wis +2, Cha +2
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (1d10 + 2) piercing damage plus 2 (1d4) fire damage.
Scorching Breath (Recharge 5-6). The dragon exhales scorching air in a 15-foot line that is 5 feet wide. Each creature in that line must make a DC 12 Constitution saving throw, taking 22 (5d8) fire damage on a failed save, or half as much damage on a successful one.