"Dash forward and inflict damage."
Lightning Blade (雷切 - Raikiri, lit. Lightning Cutter) is one of the skills available in Jump Force.
Overview
The user runs forward with their right hand shrouded in blue electricity. When they get close enough, they drive their hand into the opponent's middle, blasting them away.
Origins
At a young age, Kakashi developed his own, unique ninjutsu called Chidori. It's a Lightning Style jutsue in which the user creates a blade of electricity on their hand. When Kakashi specifically uses it, its often referred to as Lightning Blade.
Lightning Blade in action