In order to see or hear Satan or a Demon, you need to open your astral senses. To open your astral sight and hearing, you need to meditate on your 6th chakra, 3rd eye, clairaudience points, clairvoyance points, and pineal lobe.
6th Chakra Meditation
http://www.angelfire.com/empire/serpent ... ation.html Clairaudience Points
http://www.angelfire.com/empire/serpent ... nters.html Clairvoyance Points
http://www.angelfire.com/empire/serpent ... oints.html Pineal Breathing Exercises and Meditations
http://www.angelfire.com/empire/serpent ... ation.html http://www.angelfire.com/empire/serpent ... rd666.html http://www.angelfire.com/empire/serpent ... ation.html (For this meditation, you can breathe the energy directly into your pineal gland instead of your 6th chakra.)