I think i'd be nice if there was a better combat system, like one were you swing your sword by left clicking and dragging, an block by right clicking and dragging. So if you look up, hold left click, and drag down you'd be doing a downward slash. It could be set so you could only attack like 4 different ways, like downward slash, slash from right to left, slash from left to right, and a jab. Each attack should take different amounts of time and do a different amount of damage. I think one thing that rising world is missing that a lot of people who are younger don't like about it is the lack of combat, and the combat there is isn't fun besides maybe a bow. If you added this then it would make the game so much better for pvp servers, and maybe.
I don't know how hard this would be to implement, but i really want this in the game, more than any of my other suggestions (besides the non-grounded objects maybe and that would be more of an equivalent)
Just in general the main things i think the game is missing (pre-update) is quality fun pvp, non-grounded objects, proper lighting, good terrain, and sword forging. Now some of these things are going to be fixed like lighting and terrain, but i think this game would be perfect if you added better combat and sword forging.
This game already has amazing building, probably the best building game i know, so if you added better combat i don't think you'd get a lot more players, mainly the ones that only really like pvp.