Wyvern

Large dragon, unaligned

Armor Class 13 (natural armor)

Hit Points 110 13d10+39

Speed 20ft Fly: 80ft

STR

19 +4

DEX

10 0

CON

16 +3

INT

5 -3

WIS

12 +1

CHA

6 -2

Skills Perception +4

Senses darkvision 60ft., passive Perception 14

Languages -

Challenge 6 (2,300 XP)

Actions

Multiattack: The wyvern makes two attacks: one with its bite and one with its stinger. While flying, it can use its claws in place of one other 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 5 ft., 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.