Keen Smell. The giant has advantage on Wisdom (Perception) checks that rely on smell.

Innate Spellcasting. The giant's innate spellcasting ability is Charisma. It can innately cast the following spells, requiring no material components:

At will: detect magic, fog cloud, light

1/day each: control weather, gaseous form

3/day each: feather fall, fly, misty step, telekinesis

Spellcasting. Sansuri casts one of the following spells, requiring no material components and using Intelligence as the spellcasting ability (spell save DC 15; +7 to hit with spell attacks):

At will: mage hand, message, prestidigitation, ray of frost

1/day each: globe of invulnerability, haste, hypnotic pattern, ice storm, lightning bolt, Mordenkainen's sword, wall of force

2/day each: arcane lock, gust of wind, invisibility, magic missile, unseen servant

Multiattack. Sansuri makes two spear attacks.

Spear. Melee Weapon Attack: +12 to hit, reach 10 ft., one target. Hit:21 (3d8 + 8) piercing damage.

Rock. Ranged Weapon Attack: +12 to hit, range 60/240 ft., one target. Hit:30 (4d10 + 8) bludgeoning damage.