AirNunu bug
During Nunu's push, he was attacked by Rek'Sai and Nasus. When Rek'sai came to engage Nunu with his knockup, Nunu was thrown in the air and was unable to be targetted by the enemies. Therefore, he was able to escape his death. 
During Nunu's push, he was attacked by Rek'Sai and Nasus. When Rek'sai came to engage Nunu with his knockup, Nunu was thrown in the air and was unable to be targetted by the enemies. Therefore, he was able to escape his death.