Puts a combination of red, orange, or green glow effects on party/ raid frames to draw a healer's attention to players in trouble or taking damage.
-A red glow means player is going to take damage.
-An orange glow usually means some kind of danger like slows, stuns, sleep, mortal strike effects, armor reduction, damage amplification, and also includes some pure damage effects like flame wreath/ ceaseless winter on Medivh. This allows the player to distinguish between inferno bolt damage and the other incoming damage effects.
-A green glow is shrouded affix restoration healing buff.