The genesis of Amplification crystals remains shrouded in mystery. Maulkiller, a creation of Darth Vader born from the genetic material of both Galen Marek and Darth Maul, utilized a pair of these silver-hued crystals. The conclusion of Maulkiller's existence came about as a result of both mental and physical frailties. The whereabouts of these crystals after his demise is currently unrecorded.