C234 Are You Sure It's a Defensive Spell

Yu Lingloong curiously picked up one of them and put it in front of her eyes. She fiddled with it for a while but did not find anything. It looked like a white plastic paste. There was nothing special about it.

"What is this?" Yu Lingloong asked.

"The latest high-tech, mini locator. "

The locator was about the size of a corner of a coin and was about the same thickness