I really hate to do this, but:
I think you didn't get how my first jutsu works, lol... imagine it like the kaguya bone forest jutsu (just that it is focused pillars of lighting, and in a smaller number, but still covering a huge range). Acccording to this:
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raw chakra is weak to elemental chakra (the coat jutsu), and the pilars structure is very focused, so it would pierce through a less focused deface, like the coat. As the coat would still protect her, Nel won't die, but she will be pierced with a small D rank raiton pilar that will numb her. Now, the priest did not defend against the pillars, so he pretty much dies... Then, the thunderclap would be send at Nel instead of the priest.
In short, what happened the last turn was:
Quacking Thunder->Priest dies, Nell escapes because of the cloak-> Nell uses dropping Lid.
As the vultures are guiding Necron and 2nd out of the pit, a giant boulder appears (in the form of a boar). Necron uses Chidori eiso to cut the boulder in half, and then, the two parts are separated in mid air, creating an opening. As the vultures are among the fastest summons, they quickly pass through the hole. In the meanwhile, Chidori Eiso continues it's way towards Nel, and Necron tries to cut her in half. Also, the second Mizukage does not stand still, and, wile Necron is cutting the boulder, he sends a thousand lighting needles towards Nel.
(Raiton: Chidori Eiso) - Lightning Release Chidori Sharp Spear
Rank: A
Type: Offense
Range: Short/Mid
Chakra Cost: 30
Damage Points: 60
Description: The user increases the range of their Chidori by using form manipulation to extend it into a blade up to 10 meters in length. This blade is capable of splitting into multiple additional blades upon contact with an enemy, drastically increasing the number of wounds it can inflict. Like other Chidori-related techniques, this jutsu will numb its target upon contact.
(Raiton: Chidori Senbon) - Lightning Release: One Thousand Birds Needle
Rank: A
Type: Offense
Range: Short/Mid
Chakra Cost: 30
Damage Points: 60
Description: The user reshapes the Chidori in their hand into the form of countless senbon. It has more specialized speed than the normal Chidori and can cause damage throughout multiple places on the body. Although it’s not stated, this technique probably takes on Chidori's characteristics such as its ability to cut through almost anything and numb parts of the body.
[Finally, Necron channels chakra to the sky, and creates a thundercloud that starts raining thunderbolts. The vultures are flying to long range]
(Raiton: Raiun) - Lightning Release: Thundercloud
Rank: A
Type: Offensive
Range: Short - Mid
Chakra cost: 30
Damage points: 60
Description: The user generates a cloud above the battlefield kneaded with their chakra and then cause a series of lightning bolts to rain down upon the battlefield causing severe damage.