A lot of Vikings got rich off human trafficking. While pillaging Anglo-Saxon, Celtic and Slavic settlements, they would capture and enslave women and young men who were sold in giant slave markets across Europe and middle East. The slaves were known as “thralls.”
#9 Odins ravens were named Hugin and Munin.
Runes were not magical, they were letters just like the abc we use today.
#11 The wolf that tok Tyrs arm was named Fenris.
In fact, Vikings weren't more or less brutal than other warriors of eastern Europe. They were described as if only because writtend sources were written by clergy, which were targeted by first raids, when Vikings were payen. Because no christian would attack a church and Christian church wealthy it explain why first sources talks about Vikings as calamity and stop at the moment Vikings convert themselves to christianism.