1. The dash feels pretty good, but after a while it seemed like the dash stopped moving and just had you kneel down. I'm not sure if that was intentional for heavily injured players or a bug.
2. The enemies feel good. I think facing 3+ would be a challenge, but not impossible.
3. Personally, it felt like the stamina ran out too fast. I would do a few moves, then have to back off and wait, or I would not realize I was out of stamina and just get hit over and over by the enemies. Some of that I'm sure is my fault, but a bit of a buff to the stamina might go a long way.