The Crystal (Heavy Metal 2000)

The Crystal is a valuable gemstone, and a prime material in the animated movie, Heavy Metal 2000. It is the "key" of opening the Chamber of Immortality, located at the region of the Holy Land. However, if someone has the crystal in his possession, he would eventually became mad, insane, and obsessed with power. Sought after many space warlords, including the insane mercenary Tyler, the Crystal plays an important role in the final events of Heroes vs. Villains War.