Deductive Inferences

"Wait a second," Kane frowned. "Didn't you already conclude that the Divine Doctor was responsible for the emigration before?"

"Yes, but before, I did not know how," Rui replied. "Looking at the environment, the probability of him having triggered an environmental event that caused the mass emigration is low. Even if many years have passed, something that caused such a large crisis that all fauna emigrated would not be undone so easily. The land and soil are pristine, as are the water sources. There is no evidence of seismic wear and tear, nor any evidence of geological stress."

He turned and closed his eyes as he recollected his survey data from within his Mind Palace. "There is no archaeological evidence of mass death during the period of the Divine Doctor's visit."

"What?"