Reikens Sacred blade- konta

the blade that belonged to senko and nasukes father, giving to him by their grandfather and so on and so on. their father was said to have hidden to sword,. this sword was infused with the chakra of all the reikens best warriors and greatly experienced sword men. it is said to be strong enough to cut through even that thickest diamonds. this sword wasnt however made by a man, but by their great great great grandmother and most powerful swordsman in the reiken clan. Shira reiken.this sword was hidden under the clan statue of Shira and was found by Senko. this is the twin sister to the sword kanta