Dark Mirror

A shimmering, 5-foot radius sphere appears centered on you and remains centered on you for the duration. No darkness, whether magical or mundane, can extend through the sphere from the outside. In addition, you can see through darkness, whether magical or mundane, out to a range of 30 feet.

If the sphere is surrounded by darkness, it reflects that darkness like a mirror, causing the sphere and any creatures inside it to be invisible to creatures outside of the sphere that could otherwise see through the darkness with traits such as darkvision or devil's sight.