1) I feel like a pack placed on a medieval setting and inspired by RPGs could provide a whole new experience in The Sims 4. This pack could feature that are already existent on other packs: - Ques...
I am a fan of Dragon Age, well at least Origins (but a fan of DA2/DAI imports) XD So I'd love DA references.
DAI some Vivienne Outfits mage (spellcaster).
I did have a post with Medieval Pack ideas (Fantasy/Sci-Fi/etc. Themed Packs | EA Forums - 12327880). But to be perfectly honest, even without any of my suggestions a Medieval Pack, is not only needed, it is I think at this point is expected for both an homage to Sims Medieval, and that pop culturally is incredibly popular in gaming, books, shows/movies, etc. especially if they have dragons. There is a lot of people using CC/mods to make there own medieval/royal Sims games, but so much of us are waiting for official content.
In Sims 3 Dragon Valley felt like a tease of what could of been a pack instead of a Sims 3 store world, and I think there is a level of hope and expectation that Sims 4 will let us unplug and play an era based games starting with medieval (with no mobiles phones or computers, and an improved off-the-grid era based game experience).
Also, if they heavily emphasize RoM/Spellcasters cross-pack compatibility, or add official occult hybrids (basically we can customize occults, different combinations have different aspects of each type, and if you get into DNA % colour me impressed) devs would get extra brownie points big time, IMHO. Introducing castable hexes, extended spellbook and maybe an extended ability tree.