Baroque is Tatsunoko vs Capcom version of roman cancel basically when you have any type of red life you can cancel any special move or normal moves recovery frames by pressing A+plus tag button(d)unless they changed this from evo returning your char to a neutral state allowing you to extend your combos oh and the more red lifer you have means the more damage your combo will do here's a sample combo with chun lee
D+b,S+c,A+tag(Baroque)cancel D+b,S+c