In order of importance to me.
1) Complete content that was started but unfinished by the Devs prior to shut-down. (Incarnate Content finished, Complete unfinished story lines, Complete Power Balance issues)
2) New Powers and Power Special Effects and Costumes
3) Base love (QOL, Better organization of Items, New Base Items, If possible more space customization in the editor (Higher Ceilings and no walls))
4) New Story lines