based on D&D 5th Edition
Adult Red Dragon
Huge  Dragon , Chaotic Evil

Armor Class 19  (natural)
Hit Points 256  (19d12+133)
Speed 40 ft. , fly 80 ft. , swim 20 ft.



STR DEX CON INT WIS CHA
27  (+8) 10  (0) 25  (+7) 16  (+3) 13  (+1) 21  (+5)
Saving Throws Dex +6, Con +13, Wis +7, Cha +11
Damage Immunities Fire
Senses blindsight,darkvision, passive Perception 23
Languages Common, Draconic
Challenge 17  (18000 XP)
Legendary Resistance. (3/day) automatic succeed on save after failure.
Actions
Multiattack. Uses Frightful Presence, then makes one bite and two claw attacks.
Bite. Melee Weapon Attack: +14 to hit, reach 10 ft., one target. Hit: 19 (2d10 +8) piercing damage.
Bite+. plus 7 (2d6) fire damage.
Claw. Melee Weapon Attack: +14 to hit, reach 5 ft., one target. Hit: 15 (2d6+8) slashing damage.
Tail. Melee Weapon Attack: +14 to hit, reach 15 ft., one target. Hit: 17 (2d8 +8) bludgeoning damage.
Fire Breath. (Recharge 5-6) DC 21 dexterity saving throw, half damage on successful save, for 63 (18d6) fire damage in 60 ft. Cone
Frightful Presence. DC 19 Wisdom saving throw, frightened. Save at end of each turn, successful save creature becomes immune. in 120 Area