Gravity Release: Black Excalibur

Seiji focuses his Gravity Release chakra into his Sword then charges his sword with a powerful black energy and smashes into the enemy. The Black Energy was so strong that it could destroy a tailed beast ball,and even after doing that it had enough energy left to wipe out an entire mountain.Seiji can also use this move though his palms and fingers,however it has maximum power when used with sword and least power when used through finger.