yeah its simalar bec the fist one focuses on one lighting bolt at a time but this one shoots more then one.
next:
(Raiton

enkou Gachin no Jutsu)-Lightning Release: Thunder Clash Skill
* Type:Supplementary
* Range:Short-Long
* Chakra Cost:15
* Damage Points:N/A
* Description: A skill that is normally used after a Lightning jutsu, to add a thunderous effect. When the lightning jutsu strikes, it will utter forth a shockwave which will send the opponent backwards. Increasing the distance between the user and the individual effected by the skill, giving a greater oppurtunity to plan the next attack.
okay this teq is used too get disatance betwen your self and the enemy.after you perform a lighting jutsu it usualy give off a littel shockwave but if you use this jutsu right after that it can make the shockwave biger so it pushes the enemy back