Heroes of Might and Magic 3 – What Does the Market of Time Do?

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One of the original scenarios in Heroes of Might and Magic III, Titan's Winter, contains a strange map structure on the final piece of land, the "Market of Time". This is the only scenario containing this structure, and when I visit it with my hero, nothing happens. What is it supposed to do, or is it just something akin to an Easter Egg?

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Best Answer

According to several different wiki pages (like this) it was supposed to allow heroes to unlearn skills:

Market of Time appears to have no function, however it was intended to let visiting heroes to unlearn secondary skills.