Years ago I traded a relic great sword to switchstix not knowing what it would do and now that I'm trying to upgrade a relic great katana he wouldn't let me trade a ito to him. So I upgraded a relic great sword to its seconded stage and then talked to him right after he gave me my upgraded weapon back. My question now, is there a way I can get him to upgrade a second weapon or do I have to keep upgrade my relic great sword to its third stage because I had it on me and talked to him after he handed it back to me?