Can someone point me to an explanation of how the new runes work?
Can't find a good clear explaination of the new Offense / Flex / Defense change to runes. I read the relevant section in the patch notes (https://na.leagueoflegends.com/en/news/game-updates/patch/patch-823-notes#patch-runes) but I'm still unclear.
Do I have to pick 9 different new options now? One of the 3 for each of Offensive / Flex / Defense? How and when are they applied?