Weeping Sentinel

Bellowing Call 3/day: The Weeping Sentinel lets out a terrifying call and a protection of astral clouds swarms the area, every creature withing a 10 foot radius must make a DC: 17 dexterity saving throw or be blinded and take 12(2d10) cold damage.

Astral strike 1/day. The Weeping Sentinel takes 2 Two Handed Scythe attacks, on hit the target takes 5d6 cold damage and is stunned, On the start of the targets next turn they must make a constitution saving throw or take 4(1d6) cold damage and be stunned, The target can repeat the save at the start of every turn.

Corpse Step Recharge 4-6. The Weeping Sentinel can take its bonus action to move up to 100 feet away, any creature in that space must make a dexterity saving DC: 13 or take 15(3d10) bludgeoning damage and be knocked prone.

Siege monster: The Weeping Sentinel does double damage to structures.

Exploding Heart. When the Weeping Sentinel is at half its health it can take the action to explode, using this action destroys the Weeping Sentinel. every creature must make a Dexterity saving DC:17 or take 60(10d12) necrotic damage and is knocked prone. A successful save take half damage and isn't knocked prone.

Two Handed Scythe . Melee Weapon Attack: +6 to hit, reach 15 ft., 5 target. Hit: 15 (1d12 + 5) [Slashing] damage. 

Projectile Vomit. RangedWeapon Attack: +7 to hit, range 30/60 ft.,  10 foot radius. Hit: 23 (3d12 + 3) [acid] damage.

Dread Grasp: Melee Weapon Attack: +5 to hit, reach 5 ft, 1 target. Hit: 11 (2d10) [cold) damage.