Crystal Giant

Amorphous Crystals. The Crystal Giant can move through spaces as narrow as 2 inches wide without squeezing and can occupy the same space as another creature.

Crystal Reflection. When the Crystal Giant is hit by a spell that targets only it, it has a 10% chance to reflect half the damage back at the caster (Dex save DC 13 negates reflection).

Elemental Nature. The Crystal Giant is immune to effects that target only humanoids or constructs.

Instinctive Guardian. The Crystal Giant is immune to Charmed and Frightened conditions and acts purely on instinct to defend its territory.

Crystal Crush. Melee Attack Roll: +8, reach 10 ft., one target.
Hit: 17 rollable;{"diceNotation":"2d10+6","rollType":"damage","rollAction":"Crystal Crush","rollDamageType":"Bludgeoning"}[/rollable] bludgeoning damage plus 7 rollable;{"diceNotation":"2d6","rollType":"damage","rollAction":"Crystal Crush","rollDamageType":"Piercing"}[/rollable] piercing damage.

Shard Burst. The Crystal Giant slams its crystalline fists into the ground, sending sharp shards flying in a 15-foot radius. Each creature of its choice in that area must succeed on a DC 16 Dexterity saving throw or take 14 rollable;{"diceNotation":"4d6","rollType":"damage","rollAction":"Shard Burst","rollDamageType":"Piercing"}[/rollable] piercing damage, or half as much on a successful save.

Crystal Launch. Ranged Attack Roll: +8, range 60 ft. Hit: 8 (1d6 + 5) Bludgeoning damage. If the target is a Large or smaller creature, it has the Prone condition.

Crystal Shift. The Crystal Giant moves up to 10 ft. without provoking opportunity attacks. If it moves through rocky terrain, it ignores difficult terrain. Any creature in the space it moves through must succeed on a DC 16 Strength saving throw or be knocked prone.