The group of zerg that launched the fiercest assault was instantly slaughtered. The rebel army behind them was shaken and immediately opened fire on those in their rear.,As long as we keep the zerg at bay and maintain heavy firepower, there's nothing to be afraid of.,Huo Ling threw two grenades without looking back. Seeing his comrades on the opposite side trying to rush over to assist him, he immediately shouted, "Get back!"。