This WA will glow around your raid frames when a player in your raid or party is afflicted with a healing reduction debuff.
There are 5 different colors in a green to red color scale depending on the severity of the healing reduction debuff. Below are the different debuffs and their associated colors:
-90%: RED
Necrotic Poison
-75%: LIGHT RED
Gehennas' Curse
Veil of Shadow
-50%: YELLOW
Blood Fury
Brood Affliction: Green
Curse of the Deadwood
Mortal Cleave
Mortal Strike
-20%: LIGHT GREEN
Hex of Weakness
-10%: GREEN
Mortal Wound