User blog comment:Kacj321/Entire Tamriel Landmass built into Skyrim/@comment-4324788-20120401073724

also if you remember in Oblivion a popular NPC line was to talk about the Altmer were having trouble in the Summerset Isles and Daedra worship was high along with Daedra's destroying everything. that hinted at the Thalmor which are now the most powerful. so it stands to say that many different raced NPCs talk about morrowind is a good connection to that being the next meaty DLC they mentioned