Bronze Dragon Wyrmling

A bronze dragon wyrmling on the party's side is one of the warmest scenes in low-level D&D. It's a Lawful Good metallic kid: curious, talkative in Draconic, brave to a fault, and absolutely going to get itself killed if you don't manage the encounter carefully. Treat it like a NPC sidekick with strong opinions, not a controllable resource.

In combat, the wyrmling wants to be in the air. Walk speed is 30 ft. but fly is 60 ft., so position it 20 to 30 ft. up and just out of melee reach. Open with Lightning Breath if it's available: a 40-foot line, DC 12 Dex save, 16 lightning on a failed save. Line that up so the party isn't standing in it, because the wyrmling will absolutely shoot through a friendly if it gets excited. Once the breath is spent, drop into Multiattack range for two Rend attacks at +5, 8 slashing each. Repulsion Breath is the situational tool: a 30-foot cone, DC 12 Strength save, push 30 feet and Prone on a fail. Use it once to dump a melee threat off a cliff, off a ship, or away from the party's downed cleric.

The wyrmling is Amphibious and has a 30 ft. swim speed, so it shines at coastal and riverine adventures. It is also young and emotional. If a party member dies, the wyrmling tries something dumb the next round. If an enemy surrenders and the party kills them anyway, the wyrmling's morale tanks for the rest of the session and the elder bronze that loaned it will hear about it later. Lawful Good is not a flavor tag here, it's a behavioral constraint.

Give the wyrmling a hobby. Maybe it collects sea-glass, maybe it's learning Common from a sailor's songbook. The party should want to keep it alive for reasons beyond the breath weapon.

A bronze dragon wyrmling as an adversary needs a setup, because the canonical alignment is Lawful Good. The cleanest framing is mistaken identity. The wyrmling thinks the party are the bandits who attacked its lair, or it's been fed false information by a hag who wants the party dead and the dragon discredited. Sell the misunderstanding for one full scene of dialogue (it speaks Draconic; if the party doesn't, this is a translator scene) before the breath weapon comes out.

In the fight, the wyrmling opens at range. Fly speed 60 ft., Lightning Breath at DC 12 Dex for 16 damage in a 40-foot line. It's clever enough (Int 12) to angle the line through two clustered party members rather than wasting it on the tank. Repulsion Breath is the wyrmling's escape tool more than its damage tool: 30-foot cone, DC 12 Strength save, push 30 feet plus Prone. Use it to clear a melee bubble and get back to the air. Multiattack is two Rend attacks at +5 for 8 slashing each, and the wyrmling is willing to land for one round of melee if the party's caster looks soft.

The wyrmling will not fight to the death over a misunderstanding. Once Bloodied (under 20 HP), it breaks off, flies high, and demands an explanation. This is the moment the encounter pivots back into roleplay. If the party kills it instead, the elder bronze finds out within a week, and the campaign just gained a cold war.

Have a Sending or a hawk-borne note from the wyrmling's parent arrive mid-fight. Even adversary tabs need an off-ramp, and a frantic Draconic letter is a great one.