C108 Rocket speed of promotion

"Put your cores in it and soak in it for half an hour."

Hearing Xu Qin's words, the few of them took out their respective crystal cores and poured them all into it.

"Most of these crystal cores are level one and level two. When absorbing them, take note not to absorb them. Otherwise, even if the Da Lou Golden Immortal came, he wouldn't be able to do anything about it