Initiative

Ancient Black Dragon

Gigantic dragon | chaotic evil
Armor Class 22 (natural armor)
Hit Points 367 (21d20 + 147)
Speed walk 40ft, fly 80ft, swim 40ft
  • STR
    27 (8)
  • DEX
    14 (2)
  • CON
    25 (7)
  • INT
    16 (3)
  • WIS
    15 (2)
  • CHA
    19 (4)
  • Saving Throws Dex +9, Con +14, Wis +9, Cha +11
  • Skills Perception +16, Stealth +9
  • Damage Immunities acid
  • Senses blindsight 60 ft., darkvision 120 ft., passive Perception 26
  • Languages Common, Draconic
  • Challange 21
  • Amphibious. The dragon can breathe air and water.

  • Legendary Resistance (3/Day). If the dragon fails a saving throw, it can choose to succeed instead.

Actions

  • Multiattack. The dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.
  • Bite. melee weapon attack +15 to hit, reach 15 ft., one target. Hit:19 (2d10 + 8) piercing damage plus 9 (2d8) acid damage.
  • Claw. melee weapon attack +15 to hit, reach 10 ft., one target. Hit:15 (2d6 + 8) slashing damage.
  • Tail. melee weapon attack +15 to hit, reach 20 ft., one target. Hit:17 (2d8 + 8) bludgeoning damage.
  • Frightful Presence. Each creature of the dragon's choice that is within 120 feet of the dragon and aware of it must succeed on a DC: 19 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the dragon's Frightful Presence for the next 24 hours.
  • Acid Breath (Recharge 5-6). The dragon exhales acid in a 90-foot line that is 10 feet wide. Each creature in that line must make a DC: 22 Dexterity saving throw, taking 67 (15d8) acid damage on a failed save, or half as much damage on a successful one.

Legendary Actions

The Black Dragon can take 3 legendary actions, choosing from the options below. Only one legendary action can be used at a time and only at the end of another creature's turn. The Black 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: 23 Dexterity saving throw or take 15 (2d6 + 8) bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.