PBE LoL Mastery Level 6 & 7 Flair Animation

Thank you Moobeat Riot explaination on the Mastery; When we launched Champion Mastery, our goal was to recognize you for playing the champs you love, and give you feedback on how well you play them. We tackled the first part with Champion Mastery ranks (levels), and implemented the second with the grade system shown at the end of game screen. Now we’re excited to add another dimension to leveling up with the system, with a higher emphasis on demonstrating your actual mastery of your favorite champs. With n