Disclaimer: I am not responsible for your liabilities (ie. Wasted time, negative reactions, or disbelief).
Warning: This spell could be considered cruel.
Explination: Negative energies can be found from beyond the normal realms, such may hold unrecognizable results, your target, if familiar, could tale of strange events if successfully casted.
Ingredients: One healing object, knowledge of unknown energies, a reversing element, one spell casting amplification device (Wand, amulet, anything handy that is charged/chargable), a protecting object (amulet, spiritual aid)
Switch your healing objects energies to negative with your reversal element to stabilize the energies, use your amplicatory aid while fluent in your knowledge of energies and cast the energies along with the reversed healing to your target (twisting the negative healing energies into stabalizing/prolonging the other energies effects) Use at least some of your own energies as well. Grasp your protection device afterwards as this one is a riot and will recoil.
Hint 1: You can use your protection device to send the recoil to an alternate destination.
Hint 2: The more harmful the energies the more of your own energy you must use.
After note: Your protection device should be charged.