Multiple markers on slide

Hey folks.. I am having some trouble with multiple markers. 

So there are 5 markers and I want to reveal a layer when all 5 of the markers have been hovered over and opened. 

I have mucked around with state changes with no avail and then played with multiple layers but I am looking for a way to not have to change the base layer (which includes everything) and just set up a trigger or series of? 

 

Any help would be much appreciated. 

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