Kelsey

https://en.wikipedia.org/wiki/Omen 

https://www.cheatsheet.com/health-fitness/if-you-see-any-of-these-15-bad-omens-you-might-be-about-to-die.html/ 

https://www.ranker.com/list/bad-omens-and-signs/amber-fua 

https://www.talkdeath.com/omens-death-around-world/ 

https://listverse.com/2016/05/10/10-eerie-omens-of-death/ 

https://fyeahhistory.com/2018/10/31/death-omens-in-british-culture/ 

https://en.wikipedia.org/wiki/Halley%27s_Comet 

https://www.history.com/news/a-brief-history-of-halleys-comet-sightings 

Alanna

https://norse-mythology.org/

Pitt. Edu. (Norse creation myth)

Brittanica.com

Herodotushistoryblog.worpress.com

Neil Gaimans Norse mythology

Images

https://shamanicconnection.com/nature-wise/crow-omen-change-messenger-death

Google Images