Board Thread:Theories and Rumors/@comment-26381381-20150602194609/@comment-25374175-20150603181506

Oh! I did not notice the golden katana! Thanks for pointing it out. And yes, that might be the reason why the Golden Weapons didn’t respond to Morro; not all the weapons were the Golden Weapons!

However, I think that was just a mistake; the writers probably weren’t aware of that. So, let's just stick to Wu’s story instead.