Hey guys, I been really struggling real hard on this because whenever I am Katarina, and i get high kills, (Ex. 4/1/1) top and jg start to build magic resistant. So after games go by, I start to not do anything to them and they go after me first :/ My Question is, _**how do i resolve this **_so that i won't feed and tilt throughout the game...? Below is what I build when they start to realize im getting fed and them building magic resistant.
Get a void staff early on, when a team fight happens wait a moment for all the spells to be blown then jump in or be looking for picks
So you can do a few things:
Triple pen: 
, will reduce xMR to 0.6x-33MR
The rune "Sudden impact" for 6 more magic pen (and 7 lethality) meaning you get them to 0.6x-39MR
You will deal (100+MR)/(61+0.6MR) times more damage to them with that much Pen, which is roughly 5/3, 66% more damage
Or if the pen results in you dealing true damage you will deal (100+MR)/100 times as much damage, you deal MR% more damage
CS'ing better so you get items sooner
Roaming bot/focusing targets with low MR or levels, easier gold and snowballing
