I'd say yes to all but the cube/shrine inventory spaces is not so necessary. A simple multi tab vault or inventory would do the job very good.Other than that everything look great. Good luck.

Ranked meh.. I think crafted would be better for defense

To be honest once you get valtheks staff you can level up yourself pretty darn good. When i got it and started doing k3k for some basic farm stuff i bought witchmoon, empyrean bands and it just got better and better. My gear at that moment was valtheks command, stillwater bone helm TU, queen of glas...