Detect Evil and Good 1st level divination

Casting Time: 1 action

Range: Self

Components: V, S

Duration: Concentration, up to 10 minutes

Tags: cleric paladin level1 divination

For the duration, you know if there is an aberration, celestial, elemental, fey, fiend, or undead within 30 feet of you, as well as where the creature is located. Similarly, you know if there is a place or object within 30 feet of you that has been magically consecrated or desecrated.

The spell can penetrate most barriers, but it is blocked by 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt.

You can find more information on this spell in: PHB.231