Menu Animation Breakdown

I have been looking to see if Riot has a break down of their Menu splash art animations? I know how to get the same effect so no need to link me to other tutorials or examples. Just want to see their specific workflow.

Sort of like this: http://na.leagueoflegends.com/en/news/game-updates/features/dev-blog-champion-animation Or this: http://na.leagueoflegends.com/en/news/game-updates/gameplay/dev-blog-visual-effects-league-legends

Thanks in advance.