Name:
Invisible Summons
Where:
Any location that uses a custom summon replacement over a vanilla summon. For example, summon creature V summons a dire bear, but instead it summons a giant toirtoise in Har'Akir. The giant tortoise will be invisible to everyone, like the model never renedered.
When:
Whenever the vanilla model is overriden with a region-specific summon
What:
Invisible summons
Recreate:
Use summon creature 5 or 6 in Har'Akir. Or summon 6 in Har'Akir, Dementlieu, or Barovia.