based on D&D 5th Edition
Adult Copper Dragon
Huge  Dragon , Chaotic Good

Armor Class 18  (natural)
Hit Points 184  (16d12+80)
Speed 40 ft. , fly 80 ft. , swim 20 ft.

23  (+6) 12  (+1) 21  (+5) 18  (+4) 15  (+2) 17  (+3)
Saving Throws Dex +6, Con +10, Wis +7, Cha +8
Damage Immunities Acid
Senses blindsight,darkvision, passive Perception 22
Languages Common, Draconic
Challenge 14  (0 XP)
Legendary Resistance. (3/day) automatic succeed on save after failure.
Multiattack. Uses Frightful Presence, then makes one bite and two claw attacks.
Bite. Melee Weapon Attack: +11 to hit, reach 10 ft., one target. Hit: 17 (2d10 +6) piercing damage.
Bite+. plus 4 (1d8 ) acid damage.
Claw. Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 13 (2d6+6) slashing damage.
Tail. Melee Weapon Attack: +11 to hit, reach 15 ft., one target. Hit: 15 (2d8 +6) bludgeoning damage.
Acid Breath. (Recharge 5-6) DC 18 dexterity saving throw, half damage on successful save, for 54 (12d8) acid damage in 60 ft. Line
Frightful Presence. DC 16 Wisdom saving throw, frightened. Save at end of each turn, successful save creature becomes immune. in 120 Area
Slowing Breath. (Recharge 5-6) DC 18 constitution saving throw, on failure, creature cannot use reactions, speed is halved, and it cannot make but one attack on its turn. Either action or bonus action but not both. Saving throw at end of turn in Cone