This WA can help you to maximize your dps of CoF. It's a single icon so can easily be placed in any group.
- the icon will glow at 2 stacks (bottom right)
- it will desaturate at 0 stacks OR if your target is friendly
- it will turn red if your target already have the Concentrated Flame debuff (rank 3 reason)
- it will show the stacks of your own buff in top left (v1.0.1)