Tip
Use your basic attacks repreatedly to keep her in check. Keep your distance from her dagger from (Q). If you allowed her close in, stun her to create some distance. Lure her to use (E) before you use [R].
Annie vs Katarina

Use your basic attacks repreatedly to keep her in check. Keep your distance from her dagger from (Q). If you allowed her close in, stun her to create some distance. Lure her to use (E) before you use [R].