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Monster

Adult Deep Dragon

Huge Dragon · Neutral Evil

Forgotten Realms Adventure in Faerûn Page 258
Armor Class17
Hit Points161 (17d12 + 51)
SpeedWalk 40 ft., Burrow 30 ft., Fly 80 ft., Swim 40 ft.
Challenge11
STR20
DEX14
CON17
INT16
WIS16
CHA18

Traits

Legendary Resistance (3/Day, or 4/Day in Lair)

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

Actions

Multiattack

The dragon makes three Rend attacks.

Rend

Melee Attack +9, reach 10 ft. 14 () 🗡️ Slashing damage plus 5 () ☠️ Poison damage.

Nightmare Breath Recharge 5

WIS Save DC 15, each creature in a 30-foot Cone [Area Of Effect].
Failure: 38 () 🧠 Psychic damage, and the target has the condition until the end of the dragon's next turn.
Success: Half damage only.

Bonus Actions

Shape-Shift

The dragon shape-shifts into a Small or Medium Humanoid or a Small or Medium Beast, or it returns to its true form. Its game statistics, other than its size, are the same in each form. Any equipment it is wearing or carrying isn't transformed.

Legendary Actions

Pounce

The dragon moves up to half its Speed, and it makes one Rend attack.

Spore Salvo

CON Save DC 15, one creature within 30 feet of the dragon that it can see.
Failure: 13 () ☠️ Poison damage, and the target has the condition. It repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it succeeds automatically.
Success or Failure: The dragon can't take this action again until the start of its next turn.