Immutable Form. The golem is immune to any spell or effect that would alter its form. Magic Resistance. The golem has advantage on saving throws against spells and other magical effects. Magic Weapons. The golem's weapon attacks are magical.
Multiattack. The golem makes two slam attacks. Slam. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 19 (3d8 + 6) bludgeoning damage. Crystal Burst. The golem casts the Hail Of Thorns spell at 3rd Level, shooting crystals from its back toward its enemies.
Crystal golems are magical constructs cut and chiseled from Vitae crystal to appear as tall, impressive statues. Like other golems, they are nearly impervious to spells and ordinary weapons.