Gorgon

Large Construct, Unaligned

AC 19     Initiative +0 (10)
HP 114 (12d10 + 48)
Speed 40 ft.

Ability Scores
STR 20 (+5) Save +5    DEX 11 (+0) Save +0    CON 18 (+4) Save +4
INT 2 (−4) Save −4    WIS 12 (+1) Save +1    CHA 7 (−2) Save −2

Skills Perception +7
Immunities Exhaustion, Petrified
Senses Darkvision 60 ft.; Passive Perception 17
Languages None
CR 5 (XP 1,800; PB +3)

Actions
Gore. Melee Attack Roll: +8, reach 5 ft. Hit: 18 (2d12 + 5) Piercing damage. If the target is a Large or smaller creature and the gorgon moved 20+ feet straight toward it immediately before the hit, the target has the Prone condition.
Petrifying Breath (Recharge 5–6). Constitution Saving Throw: DC 15, each creature in a 30-foot Cone. First Failure: The target has the Restrained condition and repeats the save at the end of its next turn if it is still Restrained, ending the effect on itself on a success. Second Failure: The target has the Petrified condition instead of the Restrained condition.

Bonus Actions
Trample. Dexterity Saving Throw: DC 16, one creature within 5 feet that has the Prone condition. Failure: 16 (2d10 + 5) Bludgeoning damage. Success: Half damage.