Very interesting idea for a game! I think the main mechanic of dashing through the glaive is pretty demanding of the player, and when the actual boss fights started, it kind of felt like I was playing two different games at once; when I actually hit a boss with the glaive, it felt somewhat coincidental rather than being a fully intentional action. Maybe the dash can go a little further and be marked as both a way to charge up the glaive and an evasive maneuver? I will also mirror Condimint's feedback and say I wish you could dash in the direction of movement rather than just the mouse; it is part of why the glaive mechanics are so demanding. With those things being said, the feedback was very good! I liked how the glaive and loop text changed colors and gained more effects.
Not bad!