Norse Trinity Symbol Meaning: Powerful, Mysterious, and Eternal

There are many mysterious figures in Norse mythology that always come in three. Whoever they might be, they were about to make a change to the world.  Because they came in three, a number that was so strong and special that nothing could ever beat it. 

But who came in three in Norse mythology?

We see many cases of trinity in mythologies and legends. The same thing happens in Norse mythology. Cases where three figures (Gods) united to become a more powerful entity, once joined they remained Mysterious and some even last to Eternity.