King of the hill...
Similar to other games where teams take turns defending an objective. After one team has captured it the other team needs to capture it in less time.
You build would vary depending on attacking or defending. Downside is games might be quite long.
Not new concept but new for LOL.
This is fake
King of the scar
You might be interested in Nysta's concept...
© 2014 Riot Games, Inc. All rights reserved. Riot Games, League of Legends and PvP.net are trademarks, services marks, or registered trademarks of Riot Games, Inc.