hello i have a quiestion do you have rengoku katana in blox fruits and if you dont to get it you have to fight the ice admiral in 2nd sea and you can get a rare drop of a unknown key or somthing like that and with that key you can goku om one of the sides of the sair wass not the sairs the wals near the piller and in there you can put the key there and you get it.