UI is pretty polished and options for the training mode are cool
I don't know if it is a bug but certain moves make it so the enemy can't be launched anymore some times, the ones ive found are the last hit of your 3 hit combo and the air spin again it is some times, if it is some condition im not picking off and intentional id consider changing it because it feels bad to waste a bunch of heat for no payoff.
i think its cool that the back of your sword deals damage but i feel like it still knocking back towards the direction you are looking at could be problematic depending on how the enemies behave, as an extreme example say that an enemy deals contact damage, you could push it into yourself and hit yourself for fre.