Immutable Form. The stone guardian is immune to any spell or effect that would alter its form.
Magic Resistance. The stone guardian has advantage on saving throws against spells and other magical effects.
Magic Weapons. The stone guardian's weapon attacks are magical.
Multiattack. The stone guardian makes two slam attacks.
Slam. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit:19 (3d8 + 6) bludgeoning damage.
Slow (Recharge 5–6). The stone guardian targets one or more creatures it can see within 10 feet of it. Each target must make a DC 17 Wisdom saving throw against this magic. On a failed save, a target can't use reactions, its speed is halved, and it can't make more than one attack on its turn. In addition, the target can take either an action or a bonus action on its turn, not both. These effects last for 1 minute. A target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
Through the years in which the Sun Empire was ruled from Orazca, its priests crafted huge stone guardians to protect the empire's cities and temples. The incredible magic of the Immortal Sun gave a semblance of life to these artificial creatures, endowing them with the ability to move their stone bodies, a keen awareness of their surroundings, and a limited ability to think and reason in order to help them carry out their orders. These stone guardians were tasked with standing watch—constantly…