I think in that sense you could just have separate rings with those abilities (or later have an ultimate ring with all effects combined. So effects like increasing gold drops, the amount of mana you recover from kills, an hp draining effect perhaps, and in different magnitudes later on. Could also b...

I enjoyed playing Castlevania: Aria of Sorrow on GBA and liked the fact broadswords, greatswords, katanas, and daggers all had their own speed, range, and spread. I personally liked the whip sword a lot but might be a bit out there compare to the weapons you have planned.