How close does the Yggite society resemble the Terran Vikings and how much the Eskimos? There's not much information about Yggites or the Wolf Pirates.
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How many people live on Ygg's Isles? Are there 120000 living there after half of the people left with Harrek to the Three Step Islands, or before it?
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How were those people transported there to the Three Step Islands? With the 30-60 Wolf Pirate ships?
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How many of those ships were with Harrek on his Great Circumnavigation?
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How many of the Wolf Pirates are freed slaves, or foreign adventures, and how many are Yggites?
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What kind of share dividing system do the Wolf Pirates use?
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How much do the Yggites farm and herd? Are most of them pure fishermen, or fishermen who also farm?
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How is the Ygg's Islands' society organized and who rules them? Do they have clans, tribes, chieftains, earls or what?
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And the same questions for the Three Step Islands and their other colonies.
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What gods do they worship?
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Has Ygg's cult ever had any official rules? And if not, are there plans to make them?
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About Gloranthan historiography, were the Yggites added to Glorantha after the Vikings box was made, or had Greg ”found” them before?
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Are their clinker ships made with metal nails?
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Why do their ships have rams if they are pirates who want to loot ships instead of just sinking them? And rams also slow down their ships.
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How warm relationship does Ygg and the Yggites have with Aldrya and the elves?
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What do the Yggites give to the elves as gifts or tribute?