Large Dragon, Unaligned
AC14
Initiative+0 (10)
HP127 (15d10 + 45)
SpeedWalk 30 ft., Fly 80 ft.
STR19
MOD+4
SAVE+4
DEX10
MOD+0
SAVE+0
CON16
MOD+3
SAVE+3
INT5
MOD-3
SAVE-3
WIS12
MOD+1
SAVE+1
CHA6
MOD-2
SAVE-2
SkillsPerception +4
SensesDarkvision 120 ft.; Passive Perception 14
LanguagesNone
CRCR 6 (XP 2,300; PB +3)
Actions
Multiattack. The wyvern makes one Bite attack and one Sting attack.
Bite. Melee Attack Roll: +7, reach 5 ft. Hit: 13 (2d8 + 4) Piercing damage.
Sting. Melee Attack Roll: +7, reach 10 ft. Hit: 11 (2d6 + 4) Piercing damage plus 24 (7d6) Poison damage, and the target has the Poisoned condition until the start of the wyvern's next turn.
Found on p.337 of MM2025 (Free Rules)