[Wondering about Gamestage]

Sadly when i looked at the xml file i was pretty much confused, i saw alot of data but i had no idea how to cross-reference it to answer my question. Any help in figuring it out would be much appreciated.

 

[Wondering about Gamestage]

I was wanting to know at what gamestage does vultures come on blood moons. If someone was able to explain the xml file for me to search this myself that would also be appreciated. Thank you for your time