In exchange for the new tier of gear will be coming out to deal with the 9th new dungeon, Lengendary weapon stats will be increased as well to stay competitive :D
http://ref.gamer.com.tw/redir.php?url=https%3A%2F%2Fwww.guildwars2.com%2Fen%2Fnews%2Flinsey-murdock-unveils-new-high-end-ascended-gear%2F