Really liked the movement, got some Quake/Half-Life vibes from the camera roll. As other's have already stated, a parry timer would be a good addition. I think making runners less tanky would also make the boss a little less annoying since at times you're so busy with the summons that you can barely get in any damage. Maybe it's because I didn't use the abilities much, didn't really get the whole chaos system. Also really liked how you did the clouds, great entry!