Young Black Dragon

Large Dragon, Chaotic Evil

AC: 18

Initiative: +2 (12)

HP: 127 (15d10 + 45)

Speed: 40 ft., fly 80 ft., swim 40 ft.

STR
19 (+4)
DEX
14 (+2)
CON
17 (+3)
INT
12 (+1)
WIS
11 (+0)
CHA
15 (+2)

Saving Throws: Dex +5, Con +6, Wis +3, Cha +5

Skills: Perception +6, Stealth +5

Immunities: acid

Senses: blindsight 30 ft., darkvision 120 ft., Passive Perception 16

Languages: Common, Draconic

CR: 7 (XP 2,900; PB +3)

Habitat: Swamp

Amphibious.

The dragon can breathe air and water.

Actions

Multiattack.

The dragon makes three attacks: one with its bite and two with its claws.

Bite.

Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 15 (2d10 + 4) piercing damage plus 4 (1d8) acid damage.

Claw.

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage.

Acid Breath (Recharge 5-6).

The dragon exhales acid in a 30-foot line that is 5 feet wide. Each creature in that line must make a DC 14 Dexterity saving throw, taking 49 (11d8) acid damage on a failed save, or half as much damage on a successful one.

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Young Black Dragon

Source: Monster Manual (2014), p. 88 - Licenses and attribution