Talk:Fire (upgrade path)/@comment-107.0.148.102-20170404154847/@comment-4511886-20170404155538

Yes. That is exactly what you do. You need whatever amount of souls it costs to upgrade your weapon once (anywhere between 100 and 800, if I'm not mistaken) along with a Green Titanite Shard, then simply go to the ascension menu and pick the weapon you want to ascend.