Zhao Fu quickly started to prepare. He would be going to the Demon Domain in his real body and he did not know what would happen. Zhao Fu did not plan on bringing anyone; Gui Ji would be left to defend Great Qin, and Feng Wulin was to be kept as a secret trump card.
Arasina was responsible for defending Great Qin base in the Outer World. Those who were too weak would not be of any use, so Zhao Fu decided not to bring anyone.
Zhao Fu's destination was that historical remnant. Of course, Zhao Fu's primary goal was to obtain large amounts of things that contained demonic qi and awaken that impatient Demon Star. The historical remnant was just a bonus and if he could not find it, he would go somewhere else.