SF Amped Malak vs Yavin amped Kyp & Kun's spirit

Jedi Academy Vol.2: Dark Apprentice wrote:His best students were going sour, getting impatient, trying to push the limits of their abilities. But he had sensed a greater, deeper menace that vibrated within the very stones of the Great Temple itself. . . evil, and well hidden.

Jedi Academy Sourcebook wrote:Over a number of weeks, Kun slowly bends Kyp to his will, and begins to augment his power. He grows very powerful on Kyp's hate, and soon his hold on Kyp is so complete that he can send Kyp beyond the planet to do his will and still retain control over his subject. Ultimately, he has Kyp return to Yavin Four and helps him reclaim the Sun Crusher. He also bolsters Kyp's talents to allow him to defeat Luke and place him in a coma.