Well first of I think this game is very different from others. Hell the fighting mechanics are just great. Here is some ideas that could make it better.
1. Combos- Combos can be used by using different attack to give devastating blows to your enemy. Now I do understand the the fighting controls to do different moves depends on how much you move the mouse and so on and so forth. But still it would be cool to see.
2. Finishers- Say that the enemy is becoming weak and just about to die. You could use a finisher to just demolish him. Also saves time while taking on multiple foes.
3.Grabbing and throwing enemies- Who wouldn't wan't to throw the enemy of a cliff?
4. Bow and arrows- Yeah this is a big ask but how I think the bow and arrows would work will be that they can hit at long range yet don't do much damage the farther you are. Kinda like the hunger games if you think about it.
5. New characters with traits- I think I have seen this question before but let me talk about it. Let's take a animal such as the wolf in the game. He can't use weapons and can't jump high but he game just one hit his opponent. Rabbits can stay the same. Also I would like to see characters such as a fox, bear, jackalope, and some others.
6. ONLINE MULTIPLAYER- I mean who wouldn't want this. It would be so fun to play online with friends. With a game like this no one can pass this opportunity.
Well those are my ideas. I would like you guys to rate them. Tell me how these ideas can be approved on and maybe changed. Thank you for your time.