Kryx RPGThemesMonsters
(ritual); concentration, 5 minutes/mana or psi

As an action, you can sense the presence and location of corpses and undead within 20 meters of you. The spell can penetrate most barriers, but it is blocked by 30 centimeters of stone, 2 centimeters of common metal, a thin sheet of lead, or 1 meter of wood or dirt.