Very nice, let me recap:
Its a really nice prototype! ;D Good job.
Ideas
Make it so you can change directions somehow at the end of the dash (The downtime/stopping point)
Have the Pokemons abillitys reference the speed youve set in this prototype.
For Example: Slow but strong with interesting abillitys, Fast but weak but really leaning into that speed with dashes and stuff.
I think the attack is really good so far!
No changes really needed, except maybe UI for the charge attack that occurs when walking and holding/pressing E. I dont know how intentional this is, but the animation suggest a stronger move, because of the down time needed. Cant wait to see more :D