For For beginner , u can use this skill build and items build . And , also for the fast -learner or pros . Try to use these guide , u can win very smooth . These guide is edited by me and some of my friends . We found out that these guide can tank , kill and even support . 70% of guides and items . 30% is your tactic and your own play . When u brought the items which I told u . Your cool down reduction , has increased alot and also your health ++ . When u buy those tank items , dun be too rush ...too I noe that when most of the lol player get tank items they rush . But , katarina the tactic is kill it smooth...like no sound. Try to support your friend , this items helped your push in the lane . Good luck playing lol . The guides abt katarina , one of the good one . Credit : LOL and me , friends . < Items * important> u can buy boot then buy the others ....remember no need* to buy in sequence . ( pls dun rush too much ) ALERT* thanks for your attention ! Smooth ......share these guide to others thx ..( comment if u dun understand much )