In this dream I'm walking along with some friends, and we're having a great time, talking laughing, and just generally enjoying ourselves.  Each of us is dressed sorta medieval/fantasy style with large broad swords on our backs.  Some only have one, but some, like myself, have several.  As we do this someone asks, "Do you guys wanna get something to eat?"  We all look at him like, "Well, duh, that's a dumb question.  Of course we do!"  So we go into this restaurant and sit down at a table.  We're immediately served huge plates of the most delicious looking foods which we immediately dive into as we're talking, laughing, fellowshipping and just having a great time.  It was a very fun atmosphere.  On the plates, especially mine, which was huge, there was a wide variety of foods including beef, potatoes, various fried foods, vegetables, and more.  I mean, it was one of the best meals I ever had and everything tasted amazing.

Eventually we finished up our meal, and then got up from the table, at which time we started breaking into smaller groups as we began heading off in our own separate direction.  From what I understand we were at some convention of sorts, meaning that our outfits and stuff, including our swords, were part of a cosplay (ie, wearing costumes and roll playing) we were doing as part of this convention.  Anyhow, as the guys are leaving, I notice that someone has left their sword behind.  I ask whose it is, but nobody knows.  So, being nice, I decide to take it with me in hopes of finding who among our group it belonged to.  Well, try as I might, I'm unable to find the owner, and nobody claims it.  As I continue my hunt, someone asks me what the sword is.  So I pull it out of its sheath and see this gorgeous, but somewhat intimidating broad sword that's super wide at the base, and slowly tapers down to a sharp point.  The sword is about 2.5 to 3 feet long from pommel to tip.  (like I said, it was a BIG sword)

I then notice that the sword is double edged, and super sharp, with a beautiful, polished, glistening surface and edges.  Down the center of the sword is this sorta squiggly line pattern made of stylized, what I would describe as black lightening.  I don't remember for certain, but I think there was four of these lines, side by side, going down the blade from the hilt, and stopping just short of the tip.  I then remember commenting, "Ah, it's a spirit sword," and talking about how neat it looked, but how I was only interested in returning it to its owner, and wanted nothing to do with it beyond that.  My friend then asked about my swords, which I pulled out and showed him.  Each of mine were similar to the black sword, with relatively the same pattern on the blade.  However, each of mine had a different color.  Their colors were brown, red and blue. 

My friend had a sword like mine as well, and I believe his was green.  I then noticed others in the area, and saw that its color was orange.  Another guy, walking around dressed sorta like Gandalf the White, had a sword too, with the same design as mine, but his markings were pure white, and almost blended into the metal save for a little accenting that allowed them to be seen.  I then remember looking around, still unable to find the owner of the sword.  I then remember deciding that, if I didn't find them soon, I was just going to turn it over to the "Lost and Found" counter, after which I would continue enjoying the afternoon with my friends.  The dream ends there.

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For point of reference, this is roughly what the sword looked like: