Martial Peak - Ch. 3613 - A Bold Idea

[MangaDex]

 

[Kaarme]

Since Yang Kai is ninth rank now, shouldn't he be able to use a far more powerful teleportation spell to propel himself toward his destination? The furnace was able to return everyone to the exact place where they entered the furnace, so being able to study the furnace core itself, Yang Kai should have learned something.