Don't know how to get the 'Relic Skull' Backpack?

Hye guys, dont you know how to get the new 'Relic Skull' Backpack? Dont worry i got you, here is a quick video of how to get it,
https://www.youtube.com/watch?v=rNf6MglAboQ
Want more general information about the event? Than check out this video aswell, its a mini guide,
https://www.youtube.com/watch?v=khVxCs8ABrE

Enjoy the game, and goodluck!

Lol nice I guess

Well to me the skull backpack is really funny,because it seems like it's crying in pain.....hahaha can't stop laughing.