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Why immediately "Slave"? It's more like "Indentured," although with that physique... Orcs respect strong muscles. So, both fat and skinny Orcs could be slaves.
I specifically avoided the word "slave" because, at least for me, it evokes associations with Black people on cotton plantations, but this is hardcore slavery – industrial slavery. My slaves don't produce anything; they simply become dependent on stronger Orcs, now they chop wood, cook food, and perform minor tasks... and maybe even watch over slaves of other races.
Of course, there might be a couple of cities in the Orcish Horde with plantations, and there slaves work like real slaves, but these are exceptions to the rule.
I think that the Orcish slavery system has a certain religious undertone; in my idea, retraining is a kind of ritual that endows warriors with strength. So, it turns out that any slave can become not just a free warrior, but even a shaman or a giant – quite a career ladder.
Then the question arises: do all Orcs start as slaves? No, many wild Orcs start at T2 – with the rank of Hunter. In any case, Orcish hunter tribes encounter and take prisoners; these prisoners become slaves, and after earning trust, they become hunters again, but sometimes these slaves are simply sold to a mountain city, where they receive an upgrade (armor) and are assigned to a combat unit, and then again, a transition to archers is possible... if the city experiences a food shortage due to overpopulation, some groups of Orcs will leave it and become new hunter tribes, and everything will repeat


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I'm glad you were able to figure it out. Honestly, I was sure that the mod replaced the links in the model itself, and not in the hero... I was wrong.