Seeing the tiny needle pointing at him, Zhang Tie first thought it was a coincidence. He held the thing farther away from himself, only to find that the needle was still pointing at him. After changing directions twice, the needle was still pointing at him...
Holy shit! Ten thousand grass-mud horses thundered through Zhang Tie's heart like a migrating herd of antelope.
Zhang Tie's face instantly darkened. He handed the thing in his hand to Heller. "What's going on?"
Heller took it. "After analyzing it, I discovered that this thing can sense your existence, Fortress Master, within a range of twenty-five thousand meters..."
"You mean the reason I was discovered when I left Wa Emperor City today was because of this thing?" Zhang Tie's eyes widened as he asked in disbelief.
"Correct!" Heller nodded. "So long as someone was nearby when the Fortress Master left through the city gate, and they had this thing in hand, they could lock onto and discover the Fortress Master's whereabouts!"
"How is that possible?"
"Has the Fortress Master forgotten the ability of your Tracking Feather?" Heller's single remark left Zhang Tie speechless. "The Fortress Master's Tracking Feather can sense another person's whereabouts from a thousand li away. This thing only senses the Fortress Master's whereabouts from a little over twenty thousand meters away. That is not particularly strange!"
"I mean, how does this thing do it?"
"Fortress Master, look at this drop of blood inside this crystal..." Heller pointed at the drop within the object. "This drop of blood is, in fact, blood that came from the Fortress Master's body..."
"How could my blood be in there?" The moment Zhang Tie asked the question, before Heller could answer, a flash of insight struck his mind and he understood at once. It had to be