New book [Abandoned by my family, the Immortal Burial Tower took me to bury the heavens] Traditional fantasy + decisive killing + kendo + multiple female protagonists

[Traditional fantasy + no system + decisive killing]

Ten years of being a waste, once you succeed, you will be unstoppable!

A rusty sword, with the universe hidden inside, a natural sword body, capable of swallowing thousands of swords.

A mysterious woman with great magical powers and a mysterious origin!