Qin Luzi's sudden stare startled the Cheng brothers. Without them noticing, their backs were covered in cold sweat as they felt a sharp, cold killing intent directed at them.
The stare only lasted for several seconds, but Cheng Rui had already made up his mind not to mess with the group. It's better to try exchanging the crystal core.
Turning to look at his brother, he said, "Ah Yue, if we use supplies or low-level crystal cores to exchange for that high-level crystal core, do you think they will agree to it?"
Cheng Yue frowned and said, "Judging from their strength, those people should be level-one ability-users."
"Only the one with black flame, silver purple thunder, and strength type will be able to use the crystal core. But their elements aren't compatible. It's better to use a low-level crystal core with compatible elements," he added.
Hearing his brother's analysis, Cheng Rui nodded in agreement and said, "So, the chance of them agreeing is high."
