Totally fair! I definitely have similar regrets when it comes to the format of my entry for this jam but also don't plan to make any revisions - those will be lessons learned for a future project.
I did see that the mages had a different barrier skill name than the first boss, but without a State pop-up or tooltip advising how it was different, I didn't connect those dots.
I'll look forward to seeing a boss rush style game one of these days, perhaps?