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Yaya created a topic of The Hounds of Sisyphus

I’m so confused. Like he killed the vets wife and child because they’re “useless” but now there are 3 children in the village and he literally went out of his way to find teachers for them??? only thing I can think of is tht at the time his town wasn’t found yet and it would be a burden to keep women and children but still why kill them? And I really need a backstory on him cause why does he kno to look for useful people n to protect people n blah blah but he doesn’t get simpler stuff than tht??