first of all this game is awsome and i got a few ideas:
1- it would be cool if you can take your own weapons and go to an little adventure to gain special materials.
2- it would be also cool if you can give your weapons abilitys like poison or thunder
3- fullbody armors, sicles, longswords and mazes
4- able to upgrate your smith
these are just ideas and im not mad if nothing from this is going in the game i love it anyway