While on a loading screen for a game, a tip said that only 120 champions have been picked in wolds from 2011-2016. There is a total of 135 champions in league, so who hasn't been picked. Now I know there were fewer champions during the 2016 worlds, but I doubt 15 champions have been released since then.
well I doubt ornn has been picked yet
This is not accurate but if I were to guess from what I have seen in worlds over the years...
ahh actually maybe volibear
Even reworked Urgot gets played first.
I did the research for this one because I was quite curious.
With the exception of 
as he is disabled for this current Worlds, the following have never been played:
Special mention goes to 
who has only made 1 Worlds appearance way back in Season 1 and is probably the worst competitive Champion....ever....
