Large creature
Unaligned
Str: 24 +7
Dex: 16 +3
Con: 20 +5
Int: 10 0
Wis: 7 -2
Cha: 3 -4
AC: 23
HP: 284
Speed: 60ft
CR: 18
Damage Vulnerabilities: lighting, force
Damage Resistances: damage from traps, fire, all damage types not magical or silver
Damage Immunities: necrotic, cold, poison, psychic
Condition Immunities: grappled, poisoned, restrained, exhausted, paralyzed, stunned, frightened, petrified, unconscious
Saving throws: Str: +13, Dex: +3, Con: +5
Skills: Athletics: +13, Intimidation: +5
Senses: Passive perception: 14, Darkvision: 120ft
Languages: Understands all, speaks Dwarvish (Russian), Draconic (German)
Actions:
Multiattack: Can make 3 attacks
Punch: +12 to hit, 5ft range, 7d8+3 bludgeoning damage
Minigun: 5ft by 60ft range, 30d4+8 piercing; DC 18 DEX save
Reaction:
When a creature attacks it and is within 5ft, it can grapple the creature with a STR save DC 19, 15 if a friend is successful on their strength roll to pull them out
Legendary action:
Headbutt
The construct slams its head at the nearest creature
Halt Vitality
The construct unleashes a wave of negative energy. Ignoring cover, those within 60 feet of the creature cannot regain hit points until the end of the creature's next turn