guys, I have been trying to complete all first 4 chapters of the season journey.
However, I cant really understand what the second last quest in the 4th chapter , what are they saying.

I went to leoric's manor , leaded by his beheaded wife , entered their bedroom , and a secret chamber where his wife stopped for a while.
Later , the wife lead me to an opening, pointing at the empty mountainside , and disappeared . I am lost from there.

All does this have any relevance with the second last quest at the 4 th chapter at all ?

I also dunno what u toking.
Maybe u look by searching Diablo fans?

try read this: http://www.diablofans.com/forums/diablo-ii...cations-w-video for related location of set dungeon..

i wanna ask, after i lvl70, got all the season set, wat actually can i do?

Congratulations! U already completed the game. You may start to play another game.