PENTAKILL should be a victory condition
No matter how you look at it pentakills are rare and most of them are from a player/team having a huge lead over the enemy and a pentakill results in ending the game anyways, its very very rare for a team/player that's behind to get a pentakill BUT I'm sure it has happened and if it does that would make a very fun comeback
What do you guys think of this idea that if a player gets a penta that players team wins the game, that would make games a little more interesting and having a different goal to win the game other than killing turrets and nexus.