Raiton: Raikyū - Lightning Ball
Rank: D
Type: Offense
Requirement:Raiton as first element
The user after performing the respective hand seals, is able to create a ball of lightning that is sent at a target moving at medium speed. The ball upon contact will burst and damage as well a shock the target and anyone around the target from up to 5 meters. The shocks implemented by the ball that are not direct are minimum.
(Raiton: Ikazuchi no Kiba) - Lightning Release: Lightning Fang
Rank: B
Type: Offense
Range: Short/Mid
Description: The user sends an electrical essence into the clouds, allowing them to create lightning strikes in the desired location.
(Raiton: Ikazuchi no Utage) - Lightning Release: Lightning Burial ~ Banquet of Lightning
Rank: B
Type: Offense
Range: Mid/Long
Description: The user brings their hands together and an electrical energy will begin to crackle around them. They will then slam their hands to the ground to send an electric current racing through the earth. When the current approaches its target, it can split into multiple tendrils to attack separate targets individually.
And you already have chidori, raikiri, raiden, black panther lightning in your list of jutsus to have.
Chidori and Raikiri ought to be Tai/Nin since they are technically physical piercing attacks with chakra nature.