>Reintroduce all of the warlords of draenor back into the story
>Badass characters like blackhand and bladefist are brought back
>Kill off everyone except guldan and gromm, who is never used again
WOD could have been one of the best moments in the series if any of the iron horde had actually managed to get through the dark portal and onto azeroth. A resurgence of the dark horde on azeroth would have been kino