Quality of gear versus method of aquisition

BiS will be crafted (as well as dropped), but there might be "stronger" 1 of a kind unique gear pieces that drop from bosses. And we'll only see what that "stronger" means once we have the full picture of all the gear in the game.

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Just to make sure, BiS will not drop from instanced content
https://ashesofcreation.wiki/Best-in-slot_items

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Depending on how profession progress will work, guilds will most likely have their own crafters at the peak of each artisan profession. And then they might sell their services to other people to earn some money on top of the potential sales of the crafted gear.

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Was that in guilds that just invited random people during the game itself? Cause I'm used to guilds that gather together way before the launch, plan their actions ahead and have designated people who know for sure they'll go down some particular progress path. And even if they leave, they'd usually share their acc info with others in the guild, so they could use the character.