I think a feature that would make combat a bit more fun in LoE is the implementation of physical-based attacks.
These would be similar to what was implemented in Ponyvania, like a dropkick, sliding attack, uppercut for flying enemies, etc. Pegasi could also have a dash-forward kind of attack.
I don't suggest a blind copy of the moves. I'm just saying that attacks similar to that would make it more fun.
On a separate note, there is a feature that would both improve the flow of combat and make just general emotes a lot easier: custom key bindings. It makes often used functions a lot easier, and honestly, hitting the number keys isn't particularly intuitive.
Also, I completely understand that these changes would take a lot of time and effort.