The Black Worms grew fewer in number the closer they came to the Glowstone Grass in the round courtyard. Many of them split off and fled again halfway there.
They fled from the white light, changed their crawling direction, and once again merged into the surging black tide outside.
In the end, the Black Worms that actually reached the Mountain Cave Safe House numbered only about a tenth of the original amount.
"The Glowstone Grass actually has this kind of function!? No. Wait, perhaps this is one of the core methods large cities use to drive out and isolate the Black Calamity."
—Lower the environmental red value.
This was the method Yu Hong had just thought of.
The red value can actually affect the Blood Tide's Black Worms. Does that mean that, at their core, the Blood Tide's Black Worms and the Ghost Shadow and Evil Shadow are perhaps the same kind of existence?
Yu Hong guessed inwardly.
Holding up the candle, he closed the glass window shutters and retreated into the safe zone.
As he watched the Black Worms trickling in intermittently, he formed more guesses and plans regarding the Glowstone Grass.
If this little bit of Glowstone Grass could affect the Blood Tide, what about more? What if there was enough to cover the entire courtyard? Could it completely block the Blood Tide's Black Worms from entering? What about Big Hide?
A deep anticipation rose in Yu Hong's heart.
He had never expected that something he had casually synthesized could actually have such a great effect.
The Blood Tide insect disaster seriously affected people's sleep and rest. He had wanted a good night's sleep for a very long time. In fact, it was not just him. Everyone else—including Old Li, Old Zhou, and Doctor Xu—was the same.
He