Wyvern

Large dragon, unaligned

Armor Class 13 (natural)

Hit Points 110 (13d10+39)

Speed walk 20 ft., fly 80 ft.

Challenge CR 6 (2300 XP) · Proficiency bonus +3

STR19+4

DEX10+0

CON16+3

INT5−3

WIS12+1

CHA6−2

Skills: Perception +4

Senses: darkvision 60 ft., passive perception 14

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.