Once again I do not feel the need to elaborate, you are proving to get much better at this. I like how you even said it can be used to go under features like walls when the opponent wouldn't expect it and strike them. Very clever."OK, Gotcha" Madrigal says.Madrigals thinks to himself that his sensie is becoming more than he would, then smiles starts to work on his assignment. He does the usual, generates lightning by increasing the high frequency vibrations of his chakra.Next, he manipulates his to go to his right hand.Madrigal notices that his forearm is starting to generate electrical bolts of lightning. .Then Finally, he slams his hand to the ground and releases his lighting from his hand,spreading it all over the place, up to garukon and the sensie's feet.
Advantages:It cannot be blocked by an earth wall because, it might go around it, and not too quick.You can use this technique against multiple people. You can use this on water users that's around water. Can work perfectly on metal it would be faster and easier.Can work if you don't see your opponent.
Disadvantages:Definitely can't use this technique when your wet on anything. Would kill yourself if you do that.Won't work if your opponents is in the air floating around.won't work if the ground is crumbling to pieces because it might reach to your opponents.
In Battle:You use this technique with multiple people.you can use this to make your opponents not to flee if their not jumping on trees that is.You also use this technique you can't see your opponent, like let say your in a foggy area, you can't see where your walking at. So use this to spot out your enemies because they they wouldn't have expected it.
That is the end of the C rank jutsu! So like wha we did with D rank, i'd like you do now make a move focusing on lightning, use other elements/abilities that you know to form a good combination.