Needle Burst is a class action used by Shadow-Cursed Needle Blight when they die.
Description
Explode in a barrage of needles.
6d8 (6~48) 
Piercing 
1d4 (1~4) 
Necrotic DC 11 
Dexterity saving throw for half damage.
How to learn
Used by creatures: Shadow-Cursed Needle Blight