Dragon, Lyngormr, Adult

Family: Dragon - Lyngormr

Huge dragon, neutral evil

Armor Class 19 (natural armor)
Hit Points 178 (17d12 + 68)
Speed 50 ft., climb 40 ft., swim 40 ft.

STR	DEX	CON	INT	WIS	CHA
23 (+6)	16 (+3)	18 (+4)	18 (+4)	15 (+2)	17 (+3)

Saving Throws Dexterity +9, Constitution +10, Wisdom +8, Charisma +9
Skills Arcana +10, Deception +9, History +10, Insight +8, Perception +8, Persuasion +9, Stealth +9
Damage Immunities poison
Condition Immunities poisoned, prone
Senses darkvision 120 ft., passive Perception 19
Languages Common, Draconic
Challenge 17 (18,000 XP)

Special Traits

• Amphibious. The dragon can breathe air and water.
• Contamination. The lyngormr emits an aura of corruption 30 feet in every direction. Plants that aren’t creatures wither in the aura, and the ground in it is difficult terrain for other creatures. Any creature that starts its turn in the aura must succeed on a DC 18 Constitution saving throw or take 14 (4d6) poison damage. A creature that succeeds on the save is immune to this lyngormr’s Contamination for 24 hours. Bird eggs spawn more lyngormr instead.

Actions

• Multiattack. The lyngormr makes two attacks: one with its bite and one to constrict.
• Bite. Melee Weapon Attack: +12 to hit, reach 10 ft., one target. Hit: 22 (3d10 + 6) piercing damage plus 7 (2d6) poison damage.
• Constrict. Melee Weapon Attack: +12 to hit, reach 5 ft., one Large or smaller creature. Hit: 17 (2d10 + 6) bludgeoning damage. The target is grappled (escape DC 20) if the lyngormr isn’t already constricting a creature, and the target is restrained until this grapple ends.
• Poison Breath (Recharge 5-6). The lyngormr exhales poisonous gas in a 60-foot cone. Each creature in that area must make a DC 18 Constitution saving throw, taking 56 (16d6) poison damage on a failed save, or half as much damage on a successful one.
• Swallow. The lyngormr makes one bite attack against a Medium or smaller target it is grappling. If the attack hits, the target is also swallowed, and the grapple ends. While swallowed, the target is blinded and restrained, it has total cover against attacks and other effects outside the lyngormr, and it takes 21 (6d6) acid damage at the start of each of the lyngormr’s turns. A lyngormr can have only one creature swallowed at a time. If the lyngormr takes 30 damage or more on a single turn from the swallowed creature, the lyngormr must succeed on a DC 18 Constitution saving throw at the end of that turn or regurgitate the creature, which falls prone in a space within 10 feet of the lyngormr. If the lyngormr dies, a swallowed creature is no longer restrained by it and can escape from the corpse by using 15 feet of movement, exiting prone.