The Yuuzhan Vong leader, Nom Anor, said, "Ahh, but that was our plan the whole time. THey knew it was a suicide mission. We concider it an honor to die fighting. Besides, it is my turn to spring the trap."
He pushed a knob on a device he has and the remains of the world ship explode with tremendous force, taking out several Borg ships. (it really worked for once. Really).
He then said, 'You see, we did some research of our own. We designed a catilist that would destroy their ships. Are we a safe distance away?"