Crafting is a very important part of black desert.it allows you to produce a lot of useful things. for example, the best gear in the game can be obtained from crafting. crafting also plays an important role during preparation for sieges.siege weaponry (cannons, ladders, barricades, and artillery) can’t be purchased but can be created by players.. With a refinery, you can craft black stone powder that will be used as a base ingredient for all items you can craft at workshop. you can craft black stones and reform stones. workshop. you can send a worker to a workshop to craft an item. the higher the level of the workshop, the better grade of items you can craft..