บท 1851: Making Use of Versatile Demon Emperor's Trick

Watching the small needle which was pointing at him, Zhang Tie thought it was a coincidence at the beginning. However, when he moved it a bit farther, he found the needle was still pointing at him. After changing another two directions, he found the needle was still pointing at him.

'Motherf*cker!' Zhang Tie swore inside.

At the same time, Zhang Tie's face turned black as he gave that thing to Heller, asking, "What's this?"

After taking that item, Heller replied, "According to my analysis, I found it could sense your existence within 25,000 m..."

"You mean I was discovered by others because of this when I left Emperor NvWa City?" Zhang Tie asked in an unbelievable way as he widely opened his eyes. 

"Yes!" Heller answered as he nodded, "Castle Lord, when you left the city gate, as long as someone was near this thing, they would be able to position and discover you!"

"Impossible!"