 Dehaka perceived Kerrigan as the strongest of the Zerg pack leaders, and sides with her against his Primal Zerg brethren, believing Kerrigan would lead them to new "essence".Dehaka correctly predicted that the other Zerg pack leaders would refuse to submit and "adapt"; the other pack leaders were destroyed by Kerrigan, including Zurvan.Kerrigan confronted Dehaka afterwards, confirming that Dehaka had known that Zurvan would turn on her.