Responses

It was 13 years after the death of wei wuxian
EP1:WWX dead at Xuanzheng 25 years,Before Mo xuanyu sacrifice his body to WWX, there is subtitle “after 13 years”
EP3-EP6:Xuanzheng 18 years WWX and JC studied at The Cloud Recesses.
EP6-EP9:Xuanzheng 19 years JC went back to Lotus Pier,The Cloud Recesses was burned by Wen Xu(the son of Wen ruo han).
???????:Xuanzheng 25 years WWX dead.
EP1-EP2:Xuanzheng 38 years WWX was sacrificed by MXY.
Hope it will be helpful to you,My English is poor.
I watched the anime, n it said that it was 23 years after the death of wei wuxian. So does it mean that lan zhan is 30-40 years old