Meaning of the new login animation

Hey guys, I was wondering if someone could explain to me what the new login screen animation is refering to or about in general (with the skull guy and backwards tryangle) I honestly have no idea what it is about and tried to google it but it seems a bit inpossible to find any information there. So really hope someone has the time to explain. Or, if its in the patch notes or if there is something else that I am completely looking past please link me there and I can go from there =) Hope someone can help.
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