The Earl was able to sense someone tracking him in the night, a person who could travel through the air and underground, elusively escaping his grasp in an instant.
Left with no other choice, the Earl thought to use a magic wand to cast an illusion, making himself invisible to his pursuer and thus escaping.
The man in black, who was tracking the Earl, utilized the cover of night. He flew high on his flying sword, hiding among the clouds, and used his Divine Sense to search for the tracker.
Suddenly, it was as if he could no longer sense the presence of his tracker, an eerily strange feeling.
Perplexed, the man in black continued his search. The area was quite open with no obstructive buildings nearby; ahead lay a field and beyond it, a mountain, still some distance away.
In the lush green field, even in the dark of night, there was nowhere to hide. He was using his Divine Sense to navigate towards this person, who could not be seen by the naked eye.