What is Magnus's main enemy?
Who is Surt?
What setting and character is introduced at the stage, "The Ordinary World"?
What is Boston and who is Magnus Chase?
"As quickly as it started, the surge of power shut off. All around me, a hundred einherjar had been stripped of their weapons." How does this help progress the plot?
What is Magnus is now stronger than before and learning his powers?
What enemy did Blitzen defeat in a crafting duel?
Who is Junior?
What is the inciting incident?
What is the fight between Surt?
"I felt as if I were seeing Hearthstone for the first time. He didn't stumble. He didn't faint. He strode confidently forward, the flowers expanding before him like an unrolling carpet." How does this effect the plot knowing that Hearthstone has managed to use magic without being weakened?
Heartstone is obviously now stronger than before by a lot, so now he can be much more helpful in quests rather than falling asleep for days after using one rune.
What enemy appears in Magnus's near-death experiences and dreams?
Who is Loki?
What conflict is the stage "The Approach" at?
What is defeating Surt, binding Fenris Wolf, and stopping Ragnarok?
"I cannot return Natalie Chase to life, but I can unite you both in Helheim if you wish it. I can bind your souls there so that you will never be separated. You could be a family again." How did Magnus Chase view Hel as? (Enemy or an Ally)
What is a enemy?
What convinced Samirah Al-Abbas to become an ally of Magnus?
What is Sam wanted to be a valkyrie again?
When Magnus earns his golden aura and obtains his powers, what stage would this be considered as?
What is "Death/Rebirth"?
"Thank you," said the sword." How does the sword talking advance the plot?
Jack being able to talk lets Magnus know that Jack truly does have feelings, this makes Magnus bond more with Jack and get stronger.
Why are Blitzen and Hearthstone Magnus's mentors?
What is Blitzen and Hearthstone drinking from the well of wisdom and are now serving Mimir by being Magnus's mentors?
What stage of the Hero's Journey is the most significant to the whole story? (What would happen if this didn't happen, did the main character develop a lot, etc)
This is a little bit of an opinion, but mainly the stage "Approach" was the most effective. In this stage, Magnus Chase learns how to control Jack, and his own powers earned from being the son of Frey. Magnus learns to become braver along with how to think more strategically rather than just trying to kill your opponent. This is also where he earns his honor completely and saves everyone from the event Ragnarok from happening and wiping out everyone from existence.
"Thank you, Samirah al-Abbas, daughter of Loki, for teaching us the spirit of Odin's Law." How does Magnus feel about Sam being a daughter of Loki? (Enemy or Ally)
What is ally?