Wall of Bones

You create a Wall of Bones with needle-sharp bone spikes . The wall appears within range on a solid surface and lasts for the duration. You choose to make the wall up to 60 feet long, 10 feet high, and 5 feet thick or a circle that has a 20-foot diameter and is up to 20 feet high and 5 feet thick. The wall blocks line of sight.

When the wall appears, each creature within its area must make a Dexterity saving throw. On a failed save, a creature takes 4d8 piercing damage, or half as much damage on a successful save. Creatures that move through the Wall of Bones takes 4d8 piercing damage on a failed save and  become frightened of Wall of Bones for one turn.