Probably needs a tutorial, cuz this is the second time I've ever played an autobattler (super auto pets was my first one), and I was extremely confused. I also don't think that you should start the battle automatically after some time is passed.
It works? UI needs a lot more, readability of stats and whatnot was kinda bad. In general I found it hard to understand what's going on and needed a bit of handholding.