D&D 5th Edition Data Explorer

Multiattack
The dragon makes three attacks: one with its bite and two with its claws.
options:
choose:
1
from:
Bite
count:
1
type:
melee
Claw
count:
2
type:
melee
Bite
Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 15 (2d10 + 4) piercing damage plus 7 (2d6) poison damage.
attack bonus:
7
damage:
- 2d10+4
  Piercing
- 2d6
  Poison
Claw
Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage.
attack bonus:
7
damage:
- 2d6+4
  Slashing
Poison Breath
The dragon exhales poisonous gas in a 30-foot cone. Each creature in that area must make a DC 14 Constitution saving throw, taking 42 (12d6) poison damage on a failed save, or half as much damage on a successful one.
damage:
- 12d6
  Poison
dc:
dc type:
CON
dc value:
14
success type:
half
usage:
dice:
1d6
min value:
5
type:
recharge on roll