Simple Flash Concentration WA.
Shows Flash Concentration buff stacks and duration information
Alerts you when you have Surge of Light active for free and instant Flash of Light
Alerts you with sounds repeating every 2 seconds and visuals only when you have 5 stacks and the buff is about to run out (5 seconds remaining or under)
Localization support for non-English players (spellID based triggers instead of names)
Note: for clean icon look like on the preview I'm using Clean Icons - Mechagnome Edition