In the era before the Great Destruction, humanity had freed itself from the shackles of gravity, so most of the cemeteries at that time were underground-style, with towering stele-like structures that housed urns. They were usually buried underground and only brought up when needed. This seemed like a perfect solution to land use, but by the time Malin came to this area, all that was left was a heap of ruins. The structures of all the cemetery steles had decayed, though the projector beside the stele-style cemetery was still functional. Malin could see the target from the IDs projected by these devices.
SNT2204072144152, Xia Zoe's mother was found, but the issue was that she was on the first layer... sounds close, right? But this first layer was counted from the bottom up.
In the end, Malin could only have Mana dig down from the surface all the way.