Detect Alignments

For the duration, you know if there is any creature and what the creature, if any, are within 50 feet of you, as well as where the creature is located. Similarly, you know if there is a place or object within 50 feet of you that has been magically consecrated or desecrated.

The spell can penetrate most barriers, but it is blocked by 2 yards of stone, 2 feet of common metal, a thin sheet of lead, or 6 yards of wood or dirt.