Going to the client champions page, followed by the Katarina>Abilities section and hitting ctrl+1 will have a different joke than what she says in-game. It'd be a nice addition, and would be even more fitting since she jumps around all the time with her new Shunpo.
I didn't know you could even get them to use their jokes from the champion page, if I'm going to be honest,...
Is this for the old client or the new client?
Wow never knew about this.
This joke is a lot better than her current, too.
OMG I NEVER KNEW YOU COULD DO THIS OH MY FUCK
SINCE WHEN CAN YOU DO THIS
Name checks out.
Void Fizz also has an unused joke, I hope that he gets it back with the assassin update.
