Fact (because I say so): TBC > Cata > Legion > ShaLa > MoP > DF > BfA > WoD = WotLK
My pet collection --> http://www.warcraftpets.com/collection/FuxieDK/
Fact (because I say so): TBC > Cata > Legion > ShaLa > MoP > DF > BfA > WoD = WotLK
My pet collection --> http://www.warcraftpets.com/collection/FuxieDK/
This thread should have been closed then and there.
And yeah, of course it's the Jailer. Nobody has screamed "final boss" more than this guy since the Lich King. Now to see if Sylvanas pulls a Gul'dan and is a mid-xpack boss, or pulls an Illidan and ends up being lionized and redeemed across the expansion.