You can change the villagers profession or just change it back over and over and each time you convert them to say a new armorer then what they sell is different as well.
that is true but the armorer/ armoursmith starts selling diamond armour after reaching expert level. And you can't change the trades after you traded ones with a villager because he is than locked to the on that moment availible options. :)
isn't that y you reroll him? so he gets more trades? if you take away his profession and change it (maybe to farmer) than change him back wont he get new trades? or is what ur saying specific to amorers?
it is rerolling but it only works if you havent traded with the villager yet. And to get diamond armour from the armour smith you have to trade with it for a few times
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