Green glow on pet after Plaguefall

[Namisan-garona]

@Ghorak-laughing-skull

This was about a month ago, my pet is still green and like with your case, nothing seems to fix it.

I fixed it!
Fly to Plague Watch in Maldraxxus, stand in the green ooze, let your pet get a stack, get out, wait for the stack to fall off.