Comments of chapter undefined of Honkai: Kiana happiness, Become the stigma of the Kaslana family

Hmm, I always curious about Herrsher of Truth power since I can't found anything about it and some sources I found also states it as non-canon in lore. Hey Author is Herrsher of Truth power in this fanfic Canon? Or it's jusy things you make? I have my own guess about it and it's quite similar with the ones in this fanfic, I need confirmation about it