The Demon Hunters advanced up the spiral staircase for the past twenty-four hours with occasional breaks. They took shifts to rest as they slowly approached the surface. There were still quite a lot of MREs, but clean water had run out about eleven hours ago. The team had started to resort to the water the medics had used to clean their hands in the previous surgeries. Naturally, this came with a big risk, but the sole consolation was that if the water was in any way contaminated, they would have been infected already without the need to ingest it. The team had been taking turns carrying Lin Mo up on the stretcher; Lou Xiaoning insisted on walking on her own, although she was still not permitted to handle guns or others weapon.