There are three ways to combat in Ro-Ghoul with each race having 2 ways to combat.Ghouls can use their Kagune and punch to combat.CCG members can use their quinques and punch.To punch,simply press Q,your punching power increases if you put stats into your physical.To activate your quinque/kagune,press the number 1 to 9 depending on what stage it's at (i.e Rinkaku stage 2,press 2).Your quinque/kagune power increases through the stats Quinque and Kagune.