"One Ring to rule them all, One Ring to find them, One Ring to bring them all and in the darkness bind them." I'm for it.
Show us what "more and higher resolution art in the game." means. We don't have 32bit limitations anymore, impress us!!!
An upgrade to TBL evolving items that requires the TBL items to be at level 5/6. Those things are way to big of a timesink to ever let them be obsolete.
Once they are maxed, understand that they are actual Trophies, as in Tribute Trophies. Place them in your house and you can activate as many as 8 at the same time (depending on what you have unlocked to allow 8 at the same time), just like any other House Tribute Trophy. Even better? They cost ZERO tribute to activate.
Introduce "Halfling Rations" into the game. Cinnamon flavored if possible. P.S. None of these things are likely to happen. That was a PSA for anyone who is new around here.
Eliminate all gnomes and iksars from the game. That would instantaneously make the next expansion the greatest in history.