my other super boss ideas would tie into my idea of having a ninja or knight class to hit the red circles in different ways, like making arrow resistant metal and require shurikens to remove the armor and reveal the red circle, or to reflect a laser beam off a sheild toward an arrow resistant red circle.
all my class ideas date back to this post: https://itch.io/t/46098/update-021-balancing-and-bug-fixes