 Dehaka lost his large right arm prior to the Swarm's return to Zerus; it was later to be found in the same area where Sarah Kerrigan defeated the other primal pack leaders.When the Zerg Swarm returned to Zerus, Dehaka initially opted to simply observe the Swarm and Kerrigan.He witnessed the newcomers awaken Zurvan and the primal-infestation of Kerrigan.