He just wanted to build a machine strong enough to destroy planets, because the force warned him of an enormous alien military force coming from outside of the galaxy that had planet-sized asteroid ships. The Yuuzhan-Vong  The Yuuzhan Vong religion, called the True Way, was very important to the Yuuzhan Vong. They were devout and had many gods and, prior to their defeat, believed it was their duty to appease their gods' desires through conquest and genocide.  Man, they sure have ugly looking faces!