While Dani and Emily were busy working alongside the rest of their former sisters, or what remained of them, to pack up their supplies that had survived the assault in an effort to abandon the Las Vegas area entirely. Zane and the others were lying in wait at the ambush point just outside Victor's territory.
The Domain of Horde King was sacred and unique. It took great caution to avoid them while within the borders of the territory they controlled. And if Zane tried to kill these militant feminists while they licked their wounds within the ruins of their destroyed home.
It would attract way more attention towards himself than he wanted to do so. But once these bitches were outside the boundaries of Victor's control, there would be no way for him to really monitor the situation.