Talk:Kogarasumaru/@comment-177.228.58.135-20170306080951/@comment-30214985-20170306160334

No, that's normal--see Upgrades:

"Any increases in a sword's stats before it reaches Toku will be overwritten by its base Toku stats once it achieves Toku. Like a sword's base stats, its Toku stats can also be increased via Refinery or Internal Affairs up to a maximum cap."