Large Construct, Unaligned
Armor Class 18 Initiative +3 (13) Hit Points 220 (21d10 + 105) Speed 30 ft.
Saving Throws Str +6, Dex -1, Con +5, Int -4, Wis +0, Cha -5
Damage Immunities Poison, Psychic; Charmed, Exhaustion, Frightened, Paralyzed, Petrified, Poisoned
Senses Darkvision 120 ft.; Passive Perception 10
Languages Understands Common plus two other languages but can't speak
Challenge Rating 10
The golem can't shape-shift.
The golem has Advantage on saving throws against spells and other magical effects.
The golem makes two attacks, using Slam or Force Bolt in any combination.
Melee Attack Roll: +10, reach 5 ft. Hit: 15 (2d8 + 6) Bludgeoning damage plus 9 (2d8) Force damage.
Ranged Attack Roll: +9, range 120 ft. Hit: 22 (4d10) Force damage.
The golem casts the Slow spell, requiring no spell components and using Constitution as the spellcasting ability (spell save DC 17).