The Herrscher of the End, but the Envoy of Abundance and Determination

It came from an outrageous dream I had one night. In short, it was a stew of three worlds (? Well, the main text may not have characters from three worlds appearing at the same time, at least... Not in the main text... I'm not sure either...  Forgive me for not knowing much about Honkai Impact 3, so I'll just give it a try.   No cp  There may be a bunch of personal equipment + knives, so watch with caution. ˆPerdita (Perdita): comes from Latin, meaning "lost" or "lost". It means catastrophic destruction and loss. (Searched on the Internet) The protagonist is the Herrscher of the End from a pre-civilization period I should have been dead, but millions of years have not taken away my life. I trade my memory and soul with the world, hoping that other worlds will not be destroyed like my hometown. Ignorant people long for immortality, but they never understand the curse that blocks eternal life. I have everything they desire, but I have no interest in it. I have saved thousands of people from death, but I cannot save my dilapidated hometown. I am the one who ruined everything and I should atone for it.