Venomfang

Large Dragon, Lawful Evil

AC: 18

Initiative: +1 (11)

HP: 136 (16d10 + 48)

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

STR
19 (+4)
DEX
12 (+1)
CON
17 (+3)
INT
16 (+3)
WIS
13 (+1)
CHA
15 (+2)

Saving Throws: Dex +4, Con +6, Wis +4, Cha +5

Skills: Deception +5, Perception +7, Stealth +4

Immunities: poison

Condition Immunities: poisoned

Senses: blindsight 30 ft., darkvision 120 ft., Passive Perception 17

Languages: Common, Draconic

CR: 8 (XP 3,900; PB +3)

Habitat: Forest

Amphibious.

Venomfang can breathe air and water.

Actions

Multiattack.

Venomfang 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 7 (2d6) poison damage.

Claw.

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

Poison Breath (Recharge 5-6).

Venomfang exhales poisonous gas in a 30-foot cone. Each creature in that area must make a DC 14 Constitution saving throw, taking 42 (12d6) poison damage on a failed save, or half as much damage on a successful one.

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Venomfang

Source: Lost Mine of Phandelver, p. 63 - Licenses and attribution