“The air in the Fu Realm is poisonous, so every team that enters has to keep a rinsing bead in their mouth,” Fushan Yue said. “The strange thing is that when the Fu Realm’s aberrant creatures accidentally enter the mortal realm and breathe our air, they become unusually excited. Even the mildest duonao beast turns aggressive once it enters the mortal realm.”

“Rinsing bead?” He Lingchuan had been thinking about the Fu Realm’s specialty, the “frost pellets.” “You mean the bead that lets people breathe?”

“The Fu Realm produces rinsing beads. We harvest them and press them under the tongue, and then we can breathe freely. Other talismans and spells people make themselves don’t work.” Fushan Yue explained, “But generally speaking, one rinsing bead can only be used for fifteen minutes. You’d better have stock on hand to replace it, or else hurry off to harvest new ones. Otherwise, a person will suffocate within thirty breaths, faint within fifty breaths, and then die. Monsters can endure a little longer, but they won’t escape that fate either. The annoying thing is that once picked, a rinsing bead only exists for twenty-four hours. Once it expires, it vaporizes on its own.”

“So they can’t be harvested and stored long-term.”

“Definitely not. Reasonably allocating the number of rinsing...