Almorzar's Metalomacy Chainsaw Armor

When you cast this spell, your armor morphs to grow spikes that begin rotating and moving at violent speeds. On your turn any target within 5 feet of you must make a Dexterity saving throw or take 2d6 slashing damage. On a successful save, the target takes half damage. 

Higher Level. At higher level,  the damage for this spell increases by 1d6.