Capítulo 837: The big bad Mapple boss Part 3

Medusa's expression stiffened at a half smile that remained painted on her face while Walter carried on with his explanation.

"The moment the Mapping project took place the existence of megastructures beneath ancient ruins was discovered. We were able to discover every single archaological remain as long as one stone remained on top of another, but our technology did not allow us to see what was inside them. That is where Jon Hunter comes into place, a young prodigy of archaeology that became humanity's first hunter. I hoped he would be able to enter these megastructures, but..."

"He turned out to be a drunk jerk barely competent enough to...." Uriel attempted to cut Walter short, but Walter continued after directing a severe glare at Uriel who fell silent out of instinct, survival instinct.