Complex sentence: Excalibur is by no means the only weapon associated with Arthur, nor the only sword the other sword associated with him is Caledfwich, usualy rememberd as the sword in the stone which Arther passed on to sir Kai upon receving Excaliber.
Split into simpler sentences: Excalibur is by no means the only weapon associated with Arthur, nor the only sword. The other sword associated with him is Caledfwich, usualy rememberd as the sword in the stone, which Arther passed on to sir Kai upon receving Excaliber.