Large Dragon, Unaligned
Armor Class 14 (natural armor)
Hit Points 133 (14d10 + 56)
Speed 20 ft., Fly 80 ft., Climb 20 ft.
STR
19 (+4)
DEX
16 (+3)
CON
18 (+4)
INT
5 (-3)
WIS
14 (+2)
CHA
5 (-3)
Skills Perception +5, Stealth +6
Condition Immunities Blinded
Senses Blindsight 60 ft. or 10 ft. while deafened(blind beyond this radius), Tremorsense 20 ft., Passive Perception 15
Languages --
Challenge 7 (2,900 XP)
Proficiency Bonus +3
Traits

Blind Senses. The Cavern Wyvern can't use its blindsight while deafened and unable to smell.

Keen Hearing and Smell. The Cavern Wyvern has advantage on Wisdom(Perception) checks that rely on hearing and smell.

Spider Climb. The Cavern Wyvern can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Stone Camouflage. The Cavern Wyvern has advantage on Dexterity(Stealth) checks made to hide in rocky terrain.

Actions

Multiattack. The Cavern Wyvern makes two attacks, one with its bite and one with its stinger. While flying, it can use its claws in place of another attack.

Bite. Melee Weapon Attack: +7 to hit, reach 10 ft., one creature. Hit: 11(2d6+4) piercing damage.

Claws. Melee Weapon Attack: +7 to hit, reach 5ft., one target. Hit: 13(2d8+4) slashing damage.

Stinger. Melee Weapon Attack: +7 to hit, reach 10 ft., one creature. Hit: 11(2d6+4) piercing damage. The target must make a DC 15 Constitution saving throw, taking 24(7d6) poison damage on a failed save, or half as much damage on a successful one.

Sonic Screech(Recharge 4-6). The Cavern Wyvern lets loose a debilitating, concussive shriek in a 30-foot cone. Each creature in that area must make a DC 15 Constitution saving throw. On a failed save, the creature takes 27(5d10) thunder damage and is stunned until the end of its next turn. On a successful save, the creature takes half as much damage and isn't stunned.

Description

One of the more unsettling varieties of Wyvern, Cavern Wyverns resemble the base species almost identically save for a few small details, the biggest of which being their lack of eyes. Accustomed to living in pitch black caves, Cavern Wyverns forwent the use of their eyes long ago, but gained enhanced hearing and smell in compensation. Besides this, Cavern Wyverns also possess two, long barbells underneath their jaw, which they use to pick up minute vibrations and feel their surroundings. Clad in smooth, grey scales that allow them to blend in easily with their cave habitats, Cavern Wyverns slither and squeeze their way anywhere they can get food, voracious in their appetite. Since most caves don't have enough good-sized meals to feed them, Cavern Wyverns are often seen taking to the skies of the surface world at night to feed, employing their most dangerous weapon against larger prey: a concussive blast of sound from their throats that can disorient and stun prey, leaving them helpless as a Cavern Wyvern descends upon them, attacking with claws and stinger. Many Cavern Wyverns can be found towards the Underdark, where Drow often take to trying to tame the beasts, with mixed results. More rarely, a Cavern Wyvern will accidentally find its way into the sewer system of a large city, with sewers being just another kind of cave to them, but spelling woe to the inhabitants of said city when that same Cavern Wyvern takes to the surface in search of prey.

Habitat: MountainUnderdarkUrban

Gamedoctor519

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