I'm on a quest to get all support champions M7. Here is my current progress (with Champion Mastery Lookup - https://championmasterylookup.derpthemeus.com/summoner?summoner=Ace+Atomz®ion=EUW) : r/ThreshMains
League of Legends Mastery - A Complete Guide - LeagueFeed
Champion Mastery Points ranking - League of Legends