Arshem and her companions arrive at the village built by the Xidol soldiers left behind on Earth's surface. There, she learns that they help each other survive with no regard to rank or hierarchy. Meanwhile, concerned about the troubled Jun, Reiji heads to somewhere special.
Underground cavern mapping complete. 
Prepare for descent.
Äh …
Cartographie de la caverne souterraine.
Préparation de la descente.
Mappa delle caverne sotterranee completata.
 Prepararsi alla discesa.