Nice idea, but why all swords? I know the rare weapons and other weapons offer some variety but from all the RPGs I've played I've gotten tired of swords. Try some axes, spears (cyclone, I'm looking at you), maces, etc. Still whatever floats your boat. Darkness could have a weapon that steals quanta, Gravity perhaps a weapon that deals damage based on the combined health of all creatures on the field divided by 10 (rounded up), and entropy a weapon that deals random damage (from 1 to 10). to give you a few more ideas.