User blog comment:Snowboardz523/The current upgrade system is absurd and ruins the game/@comment-26444165-20171130014301/@comment-33950251-20171213025104

If the dev were smart, they'll make rare swords more powerful than the next floor's shop items. However, I guess that doesn't really matter since alot of players don't realize that they could just buy more powerful shop items on the next floor when it comes out.