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Monster

Ancient Deep Dragon

Gargantuan Dragon · Neutral Evil

Fizban's Treasury of Dragons Page 173
Armor Class20
Hit Points201 (13d20 + 65)
SpeedWalk 40 ft., Burrow 40 ft., Fly 80 ft., Swim 40 ft.
Challenge18
STR23
DEX16
CON20
INT19
WIS18
CHA21

Traits

Legendary Resistance (3/Day)

If the dragon fails a saving throw, it can choose to succeed instead.

Actions

Multiattack

The dragon makes one Bite attack and two Claw attacks.

Bite

Melee Weapon Attack +12 to hit, reach 10 ft., one target. 17 () 🏹 Piercing damage plus 11 () ☠️ Poison damage.

Claw

Melee Weapon Attack +12 to hit, reach 5 ft., one target. 13 () 🗡️ Slashing damage.

Tail

Melee Weapon Attack +12 to hit, reach 15 ft., one target. 10 () 🔨 Bludgeoning damage. If the target is a creature, it must succeed on a DC 20 Strength saving throw or be knocked .

Change Shape

The dragon magically transforms into any creature that is Medium or Small, while retaining its game statistics (other than its size). This transformation ends if the dragon is reduced to 0 hit points or uses its action to end it.

Nightmare Breath Recharge 5

The dragon exhales a cloud of spores in a 90-foot cone. Each creature in that area must make a DC 19 Wisdom saving throw. On a failed save, the creature takes 49 () 🧠 Psychic damage, and it is of the dragon for 1 minute. On a successful save, the creature takes half as much damage with no additional effects. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

Legendary Actions

Commanding Spores

The dragon releases spores around a creature within 30 feet of it that it can see. The target must succeed on a DC 19 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If no creatures are within reach, or the target can't take a reaction, it takes 11 () 🧠 Psychic damage.

Tail

The dragon makes one Tail attack.

Spore Salvo (Costs 2 Actions)

The dragon releases poisonous spores around a creature within 30 feet of it that it can see. The target must succeed on a DC 19 Constitution saving throw or take 28 () ☠️ Poison damage and become for 1 minute. The creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.