WotLK Elemental Invasions

[Planeswalker]

Does this work on Icecrown realm?

https://wowwiki.fandom.com/wiki/Elemental_Invasions

A guildie was looking for Princess Tempestria in Winterspring for some time now, but she never found her.

[Anyone0]

From the page you linked:

This was a one-time event over a period of around 2 weeks.

So it's not supposed to be enabled and most likely isn't.