Wyvern

Large Dragon, unaligned

Armor Class 13 (natural armor)

Hit Points 110 (13d10+39)

Speed fly +80, walk +20

Challenge 6

STR
19
+4
DEX
10
+0
CON
16
+3
INT
5
-3
WIS
12
+1
CHA
6
-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.

Source: 5e Core Rules · OGL/Open