Amphibious. The dragon can breathe air and water.

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 4 (1d8) acid damage.

Claw. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage.

Confusion Breath (Recharge 1–2). The dragon breathes an iridescent blast of air in a 15­-foot cone. Each creature in that line must make a DC 14 Wisdom saving throw, falling under the effects of the confusion spell if it fails.

Chaos Breath (Recharge 5–6). The dragon exhales air in a 30­-foot line that is 5 feet wide. Each creature in that line must make a DC 14 Dexterity saving throw, taking 49 (11d8) damage on a failed save, or half as much damage on a successful one.

Roll a d6 for the type of damage:
1: Acid
2: Cold
3: Fire
4: Lightning
5: Poison
6: Psychic

Chaotic Defense. In response to taking damage from acid, cold, fire, lightning or poison, the dragon becomes immune to the chosen damage until the start of its next turn.