Honestly not bad and has some good ideas. It starts a little frustrating due to some small nuances but I found it gradually growing on me.
The grapple and swinging system took some getting used to at first but became fairly fun once I got used to it. I'd finding a way to better teach how it works as I spent ages on the first swing before I learnt how to preserve momentum when letting go.
overall a good prototype with some good ideas that could really shape up into something unique, if given proper polish and fine tuning.
On a side note, the attack/dash happening when you release the button and not when pressing it caused me many issues with missed timing or doing the normal dash when I didn't want to.