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Well, I'd say that if the character is human, saving humanity is kind of in their best interests. It's not a motivation that's unique to him as a character, but it's certainly believable. If the v...
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Source: https://writers.stackexchange.com/a/38031 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
Well, I'd say that if the character is human, saving humanity is kind of in their best interests. It's not a motivation that's unique to him as a character, but it's certainly believable. If the villain is a threat to humanity, the hero knows he is, and the hero enjoys being alive, human, and amongst other humans, then sure, he'd be plenty motivated. The issue you have to face then is why _he's_ the hero and not, well, everyone else in the novel that happens to be human and enjoying life.