In the story luo binghe and hua cheng met together when hua cheng was married to xie lian and hua cheng and luo binghe became close and met the 6 year old wei wuxian in this time luo binghe brought wwx home , xie lian adopted wwx as his brother and wwx,lbh and hua cheng became close and became sworn brothers and this is how the story starts! *AND YES WWX LEARNS DEMONIC CULTIVATION AND SPIRITUAL CULTIVATION SINCE HE WAS 7 YEARS OLD THOUGH WWX BECAME IMMORTAL WHEN HE WAS 15 YEAR OLD WITH HUA CHENG,LUO BINGHE,XIE LIAN AND SHEN QINGQIU* TOP WEI WUXIAN / BOTTOM LAN WANGJI