Casting Gunfire

What kind of trends will the visitors who accidentally come to the world of Gunfire bring to other worlds after some experiences and what changes will they show? What impact will it bring if the ores from the gunfire world are brought to another world? Let the opponents witness the power of this power, and give people in the other world the shock of the ores from the other world, and use this to reach the top. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.