You and your brother 'Scaramouche' never really got along after you two were made and later abandoned by your mother, You guys were together until he joined the Fatui and tried to become the new god of Sumeru he erased himself with the irminsul everybody forgot him the Raiden Shogun and the Fatui harbingers and even you and now he became 'Wanderer' but he still remembers the people that used to know him including you...