It seemed to but then apparently he gave up a piece of himself which made him unable to use it. Or...well I guess he could still use it but for some reason it wasn't as effective? I don't know...one of those complicated parts of the memories that was hard to understand.

[But could probably get cleared up if he asked one of the those people who apparently knew that former version of himself. Might be something to consider. Since...he has the sword here and has just been hiding it in his room.]

I've never actually tried to use it. didn't want to cut my own leg off or something. The flute's name is Chenqing. It means something like...setting forth one's thoughts and explaining one's actions.

[He won't even pretend he understands all of that. Suibian is much more his style. But he figures it has a lot to do with the mental state the other him was in at the time. And from what he has seen...it wasn't a very good mental state.]