Bab 173: Darkness Falls (I): Spirits

Alex closed his eyes and released his extremely strong perception, completely changing the way he perceived the world, it was not as if he had Achieved x-ray vision, but he was able to see beyond walls and clothes, though was not an information he would be letting anyone else know. There were some walls he couldn't see through, these had wards and arrays on them serving as protection, but what Alex was looking for was not hidden from his eyes, or rather his perception.

(You do know those are spirits right?) Nezha's voice came from within the depths of his mind.

"I do but what kind of spirits are they?" Alex asked as he tracked them, following the spirits as they went through building after buildings, moving in the direction of the academy grounds.