Board Thread:General Discussion/@comment-79.24.170.237-20160510203254/@comment-27384850-20160721002134

@98.17.8.165 I've read the web novel, the very first version of SAO. They don't come back there, nor have they by the end of v17 (v18 being the final volume of the arc).

Also, whoever told you that Underworld is a place for dead people lied. UW doesn't have any dead people in it.