Riot announced today a massive overhaul to the rune and mastery systems in League of Legends. Namely, they’re now all free. Runes are being streamlined to powerful buffs, and now keystones are major buffs to the champion, and you will build your major and minor runes around them. And to reiterate, it’ll all be free.
Of course, players have spent loads of money and IP on runes and rune. Riot plans to compensate them when the new system rolls out.
There’s some other little changes coming with the update, most of which revolving around the pre and post game screens. You can watch the video below for the full scoop.