Detect Magic | Ritual

For up to 10 minutes you sense the presence of
magic within 30 feet of you. If you sense magic in
this way, you can use your action to see a faint
aura around any visible creature or object in the
area that bears magic, and you learn its school of
magic, if any.
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.