Clearly, Yin Xi's answer satisfied everyone.
The human side needed time to prepare for battle. Angus's side also needed time to plant operatives. And most importantly, there was the Land of Light. Yin Xi had to rush at top speed to the Earth where Ginga was located to deal with that newly emerged Lugiel.
Once the plan was finalized, Angus and the others intended to head back. But there was no way Yin Xi was going to let them leave with such peace of mind. Leaving aside Angus and Jos, just the others alone had seen so much of humanity's advanced weaponry. If even a single one of them was a mole, executing the plan would become several times more difficult.
Chapter 169