Chapter 297 Cheng Ying Mecha

Zhang Lihuo, Si Tianyan, Guan Xingyun, and Xiang Fengyun immediately understood Zhang Yukan's meaning.

Their gazes also fell on the Cheng Ying Mecha.

However, whether to proceed or not still had to be decided by Gu Jinlai in the end.

Should they continue to take advantage of the limitless spiritual quantity to stockpile some nuclear raw material rods, or…

Take a gamble on the opening time of the Demon Realm Rift and attempt to Co-spirit with the Cheng Ying Mecha.

"Depending on their size, the Demon Realm Rifts open and close at different times. Small rifts may only open for a few minutes, but large rifts can remain open for tens of minutes, even over ten minutes. That's why large rifts are so dangerous," Zhang Yukan said solemnly.