 Zack's weaker personality was easily manipulated by Gormogon so he believed his belief system irrefutable, even going as far as to divide the bones of a lobbyist among the 10,000 skeletons in the Jeffersonian's bone storage room, called Limbo.However, Zack still maintained a loyalty to his friends.As pointed out by Brennan, he was willing to injure himself to keep Hodgins safe.