I feel as if this would be good for us because im sure we were all disappointed when the sword of crota just disintegrated...
The weapons do not have to be swords and can also be more futuristic since this is destiny so CHEERS!!
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Honestly this would be pretty badass as a heavy or special weapon. Think about it a melee weapon that increases maybe agility, health, regen would be epic for clearing mobs. The only thing is it would kind of defeat the purpose of blade dancer. It would have to be done to where it's not useless but still not completely over powered.