Bulu's words caused my heart to beat even faster as I stared at the sludge beast, waiting to see what was going to happen next.

"Bulu, what’s going on?" I asked nervously.

"The sludge beast is self-reproducing. It is going to produce many small sludge beasts that it can use to search for us. With the army of small sludge beasts, we won't be able to hide anymore," said Bulu.

"What are we waiting for, then? We can only attack. We'll seize the advantage by attacking first!" I said.

I stopped hiding and rushed forth while roaring, "Zhang Bao'er, attack!"

My loud shout surprised the two monsters in the cavern. The two were stunned, not knowing how to react. I did not hesitate and fired a shot at the sludge beast's belly. Perhaps the sludge beast had not expected its prey to attack. 

The sludge beast was careless and suffered from it. Its enlarged belly was its weak point, and it was directly pierced through by my shot. A bunch of immature small sludge beasts poured out of the...