Crystal hive v2

Trait Name. Dark Origin: immunity to necrotic damage but is vulnerable to radiant damage.

Planted: cannot be moved in any way.

Hard: resistant to non magical attacks from piercing and slashing weapons.

Action Ranged Attack. crystal launch: +5 to hit, range 60/120 ft., 2 target. Hit: 9 (2d6 + 3) [bludgening] after hitting or missing, the crystal explodes, doing 1d6+3 necrotic damage in a 5ft sphere from the target unless they pass a DC 16 dexterity saving throw to take half damage.

Action Melee Attack. Diamond Pike: +8 to hit, range 5ft, 1 target. hit:  15 (2d8 + 3) piercing and 6 (2d4) necrotic damage. Also pushes the target 10 ft and forces them to make a DC 17 dexterity saving throw or be knocked prone.

 Bonus Action Name.  crystal barrier: creates a 25ft sphere where damage to the cube and its allies is ignored unless the creature doing the damage is inside the barrier

jagged rip: if an effect on the terrian it placed, it can remove it, ending the spell or effect that caused it and doing 1d4 bludgening damage while applying the prone conditon.

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