Jinx theme song for piano

Hey, is one of my favourite characters in League of Legends and I was always fond of her music video on youtube. I've been searching and searching for the music sheets for piano but I can never find any that are well, free. I'm just getting into piano and I've always wanted to play a bunch of League of Legends theme music for different champions!

I've also listened to a variety of youtube artists who make covers of her theme song (especially LilyPichu) and every video says that it was done all by ear which makes me a bit disappointed since I don't have the skills myself to do such an amazing thing.