>>95667867Jack at end of S5 is ideal hero, and that's a big statement when compared to other heroes.
He has experience and mastery of many forms of combat, discipline, survival skills, life skills, spiritual teachings, etc.
But his moral code his top tier. He defends what is righteous and good, is not above killing when the situation demands it but does everything he can to not use violence, and still feels bad afterwards. He is very kind and understanding and patient. and by the end of the show he learns to exorcise his inner demons, thus purifying himself of any potential corruption.
tl;dr There is a reason why he would be worthy to wield Mjolnir, and has favor with the motherfucking Gods, who usually don't give two fucks about any human particularly