Initially, they followed the route they had mapped earlier, just in case they suddenly needed to make a retreat at full speed. Rean's disguise array was functioning properly for now, but even he had no real understanding of the hidden parameters that governed these ruins. Because of that uncertainty, nothing guaranteed that the airplane's systems would continue operating normally forever, so sticking close to a known mapped route was still the safest approach they had.
As they moved forward, they occasionally passed guardian cores drifting through the ruins. Unlike when they were in battle mode, none of them were surrounded by those massive spheres of swirling Godly Energy that had previously made them feel like moving natural disasters. Now they looked almost harmless, floating aimlessly as if they were nothing more than maintenance units performing routine patrols with no real awareness of anything around them.
None of the cores showed even the slightest reaction to the group.
