Phoenix, Breach and Reyna's flashes all have an audio queue before their flash goes off so you have a short window to react to it. Omen's flash doesn't have an audio queue but the edges of your screen become purple so you can still prepare...

Sentinels, as defined by Riot, are defensive experts that have abilities that manipulate the battlefield, lock-down areas of contention, and provide utility such as healing. The main responsibility of a Sentinel player is to NOT LOSE the r...