The remaining [Lost Treasure No. 6], [Fine-level Weapon Forging Plan "Bloodthirsty Double-Bladed Battleaxe"], and Tier Two Spiritual Gem were things that couldn't be used for the time being. Lin Rui stored them all away before leading everyone back to the upper layers of the palace.
The fourth and fifth layers were filled with blood-red Chaos Corrosion, not only causing mandatory health loss per second but also leaving those with weak wills feeling irritable, oppressed, and tense.
The most crucial part was that Lin Rui had to strictly calculate everyone's health, constantly administering injections.
It's not like he was giving injections to a pretty young lady, the old doctor wasn't very enthusiastic either.