Vicious Blockery

You create a barbed shield around yourself, if any being that attacks you physically that turn and rolls below your armour class, they take [roll]1d8[/roll] piercing damage.

At level 14 and higher, you can cast this spell in a level 6 spell slot and it can be cast around one being but the spikes are on the inside, if they use an action they must roll a constitution save or take [roll]1d8[/roll] piercing damage