There are several Thor Easter Eggs and Reference hidden in God of War 2018. One of these Thor Easter Eggs can be found in the Hammer Fall Favour Quest that leads you to Veithurgard.
First talk to the spirit Stone Falls. He will tell you about his beef with Thor and send you to his statue in Veithurgard. Take the boat there and use your Leviathan Axe to destroy Thor’s Statue. Now Return to the spirit to complete the Hammer Fall Favour.
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