D&D 5th Edition Data Explorer

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.
options:
choose:
1
from:
Bite
count:
1
type:
melee
Stinger
count:
1
type:
melee
Bite
count:
1
note:
If flying
type:
melee
Claws
count:
1
note:
If flying
type:
melee
Stinger
count:
1
note:
If flying
type:
melee
Claws
count:
1
note:
If flying
type:
melee
Bite
Melee Weapon Attack: +7 to hit, reach 10 ft., one creature. Hit: 11 (2d6 + 4) piercing damage.
attack bonus:
7
damage:
- 2d6+4
  Piercing
Claws
Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) slashing damage.
attack bonus:
7
damage:
- 2d8+4
  Slashing
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.
attack bonus:
7
damage:
- 2d6+4
  Piercing