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Monsters

Adult Black Dragon

Huge Dragon (Chromatic), Chaotic Evil

AC 19 Initiative +12 (22)

HP 195 (17d12 + 85)

Speed 40 ft., Fly 80 ft., Swim 40 ft.

Ability (Score) Modifier Save
Str 23 +6 +6
Dex 14 +2 +7
Con 21 +5 +5
Int 14 +2 +2
Wis 13 +1 +6
Cha 19 +4 +4

Skills Perception +11, Stealth +7

Immunities Acid

Senses Blindsight 60 ft., Darkvision 120 ft.; Passive Perception 21

Languages Common, Draconic

CR 14 (XP 11,500, or 13,000 in lair; PB +5)

Traits

Amphibious. The dragon can breathe air and water.

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. It can replace one attack with a use of Spellcasting to cast Acid Arrow (level 3 version).

Rend. Melee Attack Roll: +11, reach 10 ft. Hit: 13 (2d6 + 6) Slashing damage plus 4 (1d8) Acid damage.

Acid Breath (Recharge 5-6). Dexterity Saving Throw:

DC 18, each creature in a 60-foot-long, 5-foot-wide Line. Failure: 54 (12d8) Acid damage. Success: Half damage.

Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 17, +9 to hit with spell attacks):

At Will: Acid Arrow (level 3 version), Detect Magic , Fear

1/Day Each: Speak with Dead , Vitriolic Sphere

Legendary Actions

Legendary Action Uses: 3 (4 in Lair). Immediately after another creature's turn, the dragon can expend a use to take one of the following actions. The dragon regains all expended uses at the start of each of its turns.

Cloud of Insects. Dexterity Saving Throw: DC 17, one creature the dragon can see within 120 feet. Failure: 22 (4d10) Poison damage, and the target has Disadvantage on saving throws to maintain Concentration until the end of its next turn. Failure or Success: The dragon can't take this action again until the start of its next turn.

Frightful Presence. The dragon uses Spellcasting to cast Fear . The dragon can't take this action again until the start of its next turn.

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