I've tried it a bit, though I can't call myself proficient with it...but yes, the jian is double-edged! They were a popular weapon in my homeland, though it seems many of these other worlds have rather different ideas of what's best. Have you heard of guns? They seem quite useful.

[The offended handkerchief is now wrapping itself around Xie Lian's torso, don't mind it, thanks.]