Traveling Through Norse Mythology: the Prophecy of Strangers

[Norse Mythology + Sword and Magic + Adventure] [Not a cool novel] [Single heroine] [Magic] [Middle-earth] Every boy has a world of swords and magic in his heart. There are gods, giants, dwarves, elves, orcs, humans, and dragons. There are nine kingdoms of different races scattered on the fantasy world tree. The broken sword picked up by accident is actually the sword that can stop Ragnarok? I just want to go home! Why are you asking me to save the world? You're cheating! This isn't it!