Spirit sense in this world was greatly pressured, only extended to cover less than a few hundred metres at most.
Their advancement speed diminished greatly, but the good news was these monsters got wounded by these rocks.
Seeing the effect of poison over them, watching their bodies getting eaten up from inside out, turned into a grand pile of brown dust, made everyone's scalp grow numb.
William was believing anything Karoline said, but others had their doubts until now. As they realised how dangerous these rocks were, William had another flash of realisation.
Seeing this brown dust reminded him of the thick brown dust that enveloped the spaces he visited so far. "Don't tell me these spaces got created thanks to the death of tons of monsters… And people!" He couldn't help but imagine these places, filled with endless people and monsters, getting massacred by such rocks to form the spaces in the heart of the black holes.