This shouldn't happen, because Hero of the Village is supposed to be a positive effect. Now the time I had to spend to move the zombie from his igloo was pointless. The prices still stayed up even after Hero of the Village wore off.
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Duplicate of MC-154504
This happened to me, but I remembered (too late) that I had not drunk milk to remove the Bad Omen effect, which I should have done before I tried to trade. D'oh!