In both Norse Mythology and in God of War, Thor was the son of Odin, Asgard's king, and Fjörgyn, a giant. He's Meili's brother, as well as Tyr, Hodr, Bragi, and Baldur's half-brother. He is addressed as a robust god who is feared in all the Nine Realms.
Though Thor doesn't appear in God of War's main campaign, he is repeatedly mentioned as the most powerful Norse God, and as a monster who slaughtered every giant he encountered in Midgard to satisfy his desire for violence. This tells fans plenty about his temperament and how he carried himself compared to others.
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Thor did not hate giants initially; his hate for them began when Odin invited the stone giant Hrungnir to Asgard. Odin commissioned Hrungnir to create all kinds of antics for the court's amusement when he had gotten drunk. This is something that Thor did not accept at all, and once he arrived within the hall, he did not care about the giant's threats and proceeded to slam Mjolnir and then Hrungnir. He was so stunned that he didn't notice Hrungnir's body falling on him. Thor's sons, Magni and Modi, would come to their father's aid and managed to raise Hrungnir's body off him, with nobody trying to help except Mimir. Magni would receive all of Thor's praise for being blonder, whereas Modi grew bitter and acrimonious of his brother for not receiving credit for his involvement.
After this inconvenience, Odin adopted the purpose of stealing the giants' secret future knowledge, but he was forced to escape Jotunheim once the giants discovered him. As a result, he furiously ordered Thor to slaughter each giant in Midgard. Thor had killed most of the giants in Midgard by the time
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