Laying Low to Cultivate Immortality in a High-Martial World

[Traveling between two worlds + decisive and ruthless, slow buildup early on, explosive payoff later!] A miraculous blue pearl gives Qin Feng the ability to travel between two worlds. A distant immortal martial world opens its doors to him: the Great Wall of the Northern Crown constellation. But as his strength grows, he discovers that this supposedly high-martial world is full of inconsistencies. He will journey beyond the heavens and ask: why is it like this?