Amphibious. The dragon can breathe air and water.

Multiattack. The dragon makes two Rend attacks.

Rend. Melee Attack Roll: +6, reach 5 ft. Hit: 9 (1d10 + 4) Slashing damage.

Fire Breath (Recharge 5–6). Dexterity Saving Throw: DC 13, each creature in a 15-foot Cone. Failure: 22 (4d10) Fire damage. Success: Half damage.

Weakening Breath. Strength Saving Throw: DC 13, each creature that isn't currently affected by this breath in a 15-foot Cone. Failure: The target has Disadvantage on Strength-based D20 Tests and subtracts 2 (1d4) from its damage rolls. It repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it succeeds automatically.