The Wandering Blade gained a new weapon in the form of…a fiery dash? That's right, the newest weapon in its arsenal is a fiery dash! It's mapped to the PC Engine Mini controller, too! (Press Ⅱ while holding Ⅰ in PCE Mode.)
There's also this Wandering Blade-looking enemy that seems to use…large versions of the real deal's weapons? It doesn't seem to do much of anything at the moment, though.