Basic Stats
- Size/Type: Large Dragon
- Alignment: Lawful Neutral
- Armor Class: 20 (natural armor)
- Hit Points: 225 (18d10 + 126)
- Speed: 40 ft., fly 80 ft.
Ability Scores
- Strength: 23 (+6)
- Dexterity: 14 (+2)
- Constitution: 24 (+7)
- Intelligence: 16 (+3)
- Wisdom: 15 (+2)
- Charisma: 18 (+4)
Saving Throws
- Dexterity: +7
- Constitution: +12
- Wisdom: +7
- Charisma: +9
Skills
- Athletics: +11
- Perception: +12
Damage Immunities
- Bludgeoning, Piercing, and Slashing from nonmagical attacks
Senses
- Darkvision 120 ft., Tremorsense 60 ft., Passive Perception 22
Languages
- Common, Draconic
Challenge Rating
- 17 (18,000 XP)
Traits
- Legendary Resistance (3/Day): If the dragon fails a saving throw, it can choose to succeed instead.
- Metallic Resilience: The dragon has resistance to acid, cold, and fire damage due to its metallic composition.
Actions
- Multiattack: The dragon makes three attacks: one with its bite and two with its claws.
- Bite: Melee Weapon Attack: +11 to hit, reach 10 ft., one target. Hit: 17 (2d10 + 6) piercing damage plus 10 (3d6) bludgeoning 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.
- Metal Shard Breath (Recharge 5-6): The dragon exhales a 60-foot cone of sharp metal shards. Each creature in that area must make a DC 19 Dexterity saving throw, taking 63 (14d8) piercing damage on a failed save, or half as much on a successful one.
- Metallic Charge: The dragon moves up to its speed in a straight line and makes a single claw attack against each creature in its path. On a hit, the target also takes an extra 10 (3d6) bludgeoning damage and must succeed on a DC 19 Strength saving throw or be knocked prone.
Legendary Actions
The dragon can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time, and only at the end of another creature’s turn. The dragon regains spent legendary actions at the start of its turn.
- Detect: The dragon makes a Wisdom (Perception) check.
- Tail Attack: The dragon makes a tail attack.
- Wing Attack (Costs 2 Actions): The dragon beats its wings. Each creature within 15 feet of the dragon must succeed on a DC 19 Dexterity saving throw or take 13 (2d6 + 6) bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.
Special Abilities
- Metallic Fortitude: The dragon’s natural armor increases by 2 against attacks from creatures within 5 feet, reflecting its dense metallic scales.
- Shard Regeneration: When the dragon uses its Metal Shard Breath, it regains 10 hit points as it reforms some of its shed scales, usable once per long rest.