watch 02:40
World of Warcraft: Dragonflight - The Loop
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Play Sound

You see aggressive matter.
Notes
It looks the same as a Rot Elemental. They spawn when you kill an Organic Matter.
Damage Taken From Elements
Physical 

Death 

Holy 

Ice 

Fire 

Energy 

Earth 

Location
Warzone 4 inside the boss room.
Behaviour
They fight in close combat.
Strategy
Kill them as fast as possible because they make boss stronger. With too many around boss fight become harder.