"Crystallised Immunity" interaction against bleeding Path of Exile 2

I am on hardcore, running on bluff tower map with ignited ground and i notice that my character can still be ignited even with the passive skill is active even if i have satisfied the requirements. Sometimes i get ignited by mobs too it happens randomly.

Here's the link to what happened:
https://youtube.com/shorts/DluKlehH1qI?feature=share