I was also thinking of aerial bloodscythe as a potential replacement to D Inferno Divider > Axe kick as a combo ender. Think about it, it seems to me like Ragna recovers faster from BS than from ID ender, and the opponent would end up teching in similar ways. Of course, because of repeat proration, this would mean giving up BS mid-combo in order to use it at the end, but it might be a worthy trade off? It really all depends on what the recovery on it is like in comparison to ID.
Thoughts?