Electrolocation

--- Your cilia are sensitive to detecting electric signatures of nearby creatures. You gain electromagnetic sense as an imprecise sense with a range of 15 feet. Electromagnetic sense allows you to detect nearby creatures and technological objects, but you might have to use the Seek action to find an undetected creature in an environment with too much electromagnetic radiation, such as inside the engine room of a starship or near a powerful source of radio waves. Electrolocation leads to... Electrolocation Mastery