"Oh? I see," Gu Tianxing said, understanding Lin Fan's system and immediately realizing where Lin Fan's system bottleneck lay.

It was simply that the system needed an upgrade, or it lacked equally powerful cultivation techniques.

Calculating the time, Lin Fan was estimated to arrive here in about half a month.

Gu Tianxing didn't plan to waste time. He opened the Iron Tower, turning fifteen days into one hundred and fifty days.