na crit is just for crit, injury to boost crit dmg, combo for higher chance of making combo, control for interruptions, other way the higher crit you have it lowers opponents chance of critting on you, the higher injury it lowers their chance on comboing you, the higher injury the lower the crit dmg is, the higher control the smaller the chance of them doing their stuff on you. but as iv notice on my server and i have lvl 7refiner+ 9battlearmor and 7runes the offensive part (the first one) is more effective then thinkin about the defence part. As iv never witnessed a failed interrupt yet. i might be wrong on the controll stone but the others are correct. you c*so go to your character clcik details hower over the field and see if for your self.