Lightning strikes twice.

[Perception]

Lets do this.

Genkai stands ready 5 m away from Mystogan to practice the new jutsu. She draws on her prior experience forming lightning armor. Genkai builds up her lightning chakra by vibrating built up chakra in her body at a high frequency. She exerts more chakra than in the other armor technique and releases it through all of her tenketsu. Electricity cloaks around her entire body. She walks over to Mystogan with the armor activated.

As with the lower rank version of this armor this is good for CQC and taijutsu in general. Unlike the other version this armor has no gaps in it and covers your whole body. You still have to be careful not to get caught in water with this armor on. To defend against this I would simply blow a mild gust at my opponent to dissipate the armor.

Genkai then deactivates the armor as Mystogan explains how to loosen rocks by channeling lighting around your feet. After he finishes he points to a mountain 12 m away and Genkai runs to it. She starts running up the mountain on a street like path that wraps around. As she runs up this path Genkai builds up her lightning chakra and performs the snake then upside-down tiger handseal to focus it. She then the releases the chakra through chakra points in her feet. Electricity surrounds her feet and starts to seep into the ground and thus the rocks on the side of the mountain. The friction holding the rocks together soon breaks and several rocks begin to fall to the ground. The rocks crush the lush terrain below. Genkai makes her way back to Mystogan to answer his questions.

This jutsu is very useful if you have a height advantage on your opponent. You can use it to quickly sends rocks down at your opponent and move onto your next move. Beyond this application the jutsu has very little use. To defend against this you just needs to protect yourself from the falling rocks. You can do this by destroying the rocks in you path with lightning or simply form an earth dome to protect yourself. You could also blow the rocks away with wind.

 

[Sharingdork]

While good, any water technique would be a better way to counter lightning armors. Unless extremely weak, in which case the lightning would diffuse the water into oxygen and hydrogen, the water would be able to continue through the lightning and electrocute the user. Rain is very useful for this. But good job with everything else.

(Raiton: Raigeki no Yoroi) - Lightning Release: Lightning Strike Armour
Rank: C
Type: Offense/Defence
Range: Short
Chakra Cost: 15
Damage Points: 30
Description: The user surrounds themselves with electricity. The intense electric field protects them by electrocuting anyone who comes into contact with it, but only works for one attack.

(Raiton: Iwa Nadare) - Lightning Style: Stone Avalanche
Rank: C
Type: Attack
Range: Short-Mid
Chakra cost: 15
Damage Points: 30
Descripton: By forming hand seals Snake → Upside down Tiger → Hands clapped together when near a cliff , the user causes stone and rock to become dislodged and rain down on anyone below it by releasing a wave of electrical energy which weakens the rock and makes it fall as it crumbles. However, this is extremely location-based and needs to be done uphill of a mountain for it to work.

Now, you seemed to handle the two techniques well, so we will continue with two techniques at a time. Now, this first technique requires you to hold your hand out, as if you were holding a sword and were pointing it at your target. From there, you will channel your raiton chakra into your hand, and will focus it through the invisible "sword blade" in the conical form of a horn. The horn then grows at a steady, quick pace to extend outwards and pierce objects up to mid-range.
The technique after requires you to use an actual sword. You will begin by channeling your raiton chakra through the blade, increasing its cutting power, and allowing it to levitate by the mass of chakra in the blade creating an electromagnetic field to appear to "repel gravity". Then, you can release an equal amount of chakra from the blade of your sword to create two extra copies of your sword, comprised completely of lightning. These three swords then spin and fly towards your target, all under you control, moving in directions as you wish them to. Even after releasing the extra copies of your sword, the original sword maintains lightning-like speed and cutting power.

 

[Perception]

I understand sensei. For this next jutsu does it's physical form look like a horn of lightning? Just making sure.

Mystogan stands but 8 m from Genkai. His mask still covers his face and he seems to be unaffected by the storm that is still raging. Genkai raises her right arm and points it forward at Mystogan. Her hand is cupped like when holding the hilt of a sword and pointing it forward. She builds up her lightning chakra while envisioning the shape of a horn. When the chakra reaches a peak she releases into and along her right hand and into the invisible sword in front of her. As she does this she uses shape manipulation to form the exiting chakra into a lightning horn. The horn quickly expands outward and attempts to pierce Mystogan through his left shoulder. Genkai is sure that Mystogan will be able to defend himself. After Mystogan defends Genkai begins to speak.

A nice jutsu to defend against incoming weapons. Horns as you said are conical in shape and thus they cover a wide area. With the horn extending to mid range it is good for intercepting projectiles. As an attack your not likely to hit an opponent using this jutsu on its own. This jutsu can be performed quickly however making it suitable for combos attacks. Defending against this is pretty basic. You can form a gust of wind and simply disperse the lightning. You can also do this with other elements as well, but the attack you choose side be relatively wide to counter the whole area of the horn.

After answering his questions Genkai pulls out a rusty sword that she sees by the tree where her training began. She thinks to herself "Mystogan must have brought this with him. It's not my sword". She returns to her position 8 m in front of Mystogan and holds her sword by the hilt in her right hand. The blade of the sword is pointed upwards at a 60 degree angle. Genkai builds up her lightning chakra and simply releases it through chakra points in her hand and directs it along the swords path. A electromagnetic field appears around the sword and soon causes it to levitate in the air. The sword reaches about 1 m above Genkai with the blade still pointed upward. Genkai then releases chakra from the blade to form 2 more blades entirely composed of lightning to the left and right of the original blade. The original blade still has a electromagnetic The blades being to spin and move until one is in front of Mystogan and two are at his side. Each blade is 5 m away and 1 m above Mystogan. The tips of the blades are pointed downward at a slight angle to be in line with Mystogan's position. The swords the quickly move in on Mystogan. The sword in the front is directed at Mystogan's hear. The sword on Mystogan's right is directed at his right knee, and the sword on his left is aimed directly at the center of his brain. Genkai waits for Mystogan to defend himself. She then answers his questions.

The advantage of this jutsu lies in it's flexibiity. With 3 swords you can attack from multiple directions. You can also stagger the timing of each swords impact to your will. Besides a direct attack, this would be a great jutsu to use on a water source. You could pretend to be attacking your opponent and instead aim the blade at the water around him. The blades would hit the water and electrocute him. To defend against the swords you should use a 360 defense. You can harden your body to do this or form a dome to surround yourself (B Rank and above earth techs). You can also use wind jutsu to blow the swords away and diffuse the lightning around them. However this defense might not work depending upon where the swords are positioned (i.e. you might not be able to hit all the swords in time). A simply defense might be to throw kunai with paper bombs at the swords. The explosion would blow the swords away from you.

Do I have to channel lightning into a sword to use this jutsu or will any pointed object that conducts electricity work?

 

[Sharingdork]

With the lightning coming towards himself, Mystogan formed a single handseal, forming an orb of water above his head. Then, from the orb, several whips appeared from it. Two of the whips emerged from the sphere and converged upon the lightning horn's tip, drawing the lightning into itself and back through the orb into the other whips. From the other whips, the lightning was conducted through the intertwining structures which surrounded Mystogan, creating an intense visual display of electrified water whips surrounding Mystogan's body in a type of cage, the orb above himself glowing with the intense amount of lightning conducted within it.

Rank: B
Type: Offense
Range: Short/Long
Chakra Cost: 20
Damage Points: 40
Description: After performing the Tiger hand seal the user creates an orb of water from which several sharp whips of water emerge. Those whips can then be directed towards one or multiple targets, impaling them on impact.

Excellent. And yes, harming an opponent directly is unlikely due to the fact that this is a very long, accurate technique. Because of this, it is very easy to miss and by the time you move your hand in order to adjust the tip of the horn, your opponent can perceive the move and act against it. Swords, while similar, are much more effective because they are shorter and movements are harder to catch with a wide enough window to counter as effectively as this would. Which is why combinations are good to use with this.

(Raiton: Shuurai Rappa no Jutsu) - Lightning Release: Lightning Strike Horn Technique
Rank: C
Type: Offensive
Range: Short - Mid
Chakra cost: 15
Damage points: 30
Description: The user will raise their hand infront of them like a sword. It will begin glowing in a pale yellow before releasing bolts of lightning in the shape of a horn that spread outwards, allowing it to attack multiple targets.

As the three swords begin to converge on Mystogan, he simply reached behind himself and withdrew his own katana, hidden within his trident staff. Holding his sword with both hands, in front of him, tilted upwards at a thirty-degree angle, Mystogan appeared to close his eyes as he waited for the attack. As the static created by the lightning blades filled his ears, Mystogan opened his eyes slowly, calmly, without any fear or thought that his life may be in danger. He was nothing but confident. Then the swords came in.
As the swords began to converge on Mystogan, quickly moving, he sprung up from his stance, knees slightly bent. Pushing directly upwards with his right foot, his left pushed at an angle so as to spin his body as he reached the air, his arms trailing behind his spin so as to trail the chakra he was focusing into his sword in a large circle, the circle acting as an extension of his own sword and, as such, defended from the lightning-created blade and the real sword.

Rank: B
Type: Offensive
Range: Short - Mid
Chakra cost: 20
Damage points: 40
Description: The user will channel chakra into their sword making it glow blue and then jumping into the air they spin at a rapid rate creating a spinning circle and cutting through the enemy target.

A false blade such as that will always lose to one who has mastered use of the sword. Remember that.
Mystogan then listened to his student.
That was an excellent analysis, and a question I myself have wondered... I see no reason for it to be impossible to channel your raiton chakra into a kunai to perform a variation on this jutsu, but I have not personally tried it... However, there are shinobi out there who are stronger and wiser than I am. I may be better to direct a question such as this towards them. I apologize for not holding the answer you seek.

( Raiton: Inazuma ken Fudou ) - Lightning Release: Lightning Blades Levitation
Rank: C
Type: Offensive
Range: Short – Mid
Chakra cost: 15 (-5 per turn)
Damage points: 30
Description: The user will channel their lightning chakra into their sword to increase its cutting capabilities, and then levitate it in front of them. They will then multiply the sword creating two extra physical copies which are then all manipulated to spin rapidly and are controlled to fly towards and cut through the opponent/s through hand gestures. While controlling the weapons, the user cannot mold chakra for other techniques and needs to keep focus.

This final technique of the C-ranks is a very simple jutsu. You know the drill for when I describe how it's performed, correct? You will first channel your raiton chakra into your dominate hand and allow it to flow throughout your palm and forearm. Then, slam your hand onto the ground and release your pent-up chakra through the earth in order to electrify the ground around you for a brief moment. This lightning will then be conducted through adjacent water and any people standing near you.

 

[Perception]

Yes, I understand your teaching method now. All right here I go.

Genkai stands firm on the ground in front of Mystogan. The wind is still raging in what seems like a never ending storm. Genkai takes a quick glance at Mystogan and begins. She builds up her lightning chakra and releases it in her right hand. The lightning flows through her palm and up through her forearm as the lightning exists her hand. Genkai then bends her knees and shifts her body weight forward as she slams her right palm on the ground. The pent up lightning in her forearm is dispersed into the ground and dissipates after a short moment. Genkai then stands up and stares at Mystogan once again.

This jutsu is great for nullifying the formation of attacks molded from the ground. It is particularly useful if you are lying on the ground in a awkward position and your opponent attacks using the ground below you. You can quickly slam you fist on the ground and defend against your opponents attack. It has the added advantage of being able to shock anyone standing on the ground in a nearby vicinity to you, and the lightning can be conducted to nearby water through the ground. I'm not sure what the range of this jutsu is, but to defend against it you can simply blow your self away from your current position (Wind stream, Hurricane fist, etc.). You can also use any jutsu that pushes you off the ground to evade the lightning. If this approach is taken fast acting jutsu should be used. I see this as a great attack or defense if your on the ground in a vulnerable position where it will take a few seconds to shift your position. How does this jutsu affect mud? Since mud is earth + water, will this jutsu have a greater electrifying affect on such terrain than normal ground.?

 

[Sharingdork]

That was good... As for mud, the lightning will have a sort of vulcanizing effect, hardening the mud into solid earth while electrifying all within it. And that was a good question; how lightning interacts with earth in general.

( Raiton: Denki Railanshō ) - Lightning Release: Electric Discharge Palm
Rank: C
Type: Offensive
Range: Short
Chakra cost: 15
Damage points: 30
Description: The user will manipulate their lightning chakra in their dominant hand generating electrical bolts of lightning around their forearm. The user will then slam their palm onto the ground causing the electrical energy to become discharged sending out bolts of lightning into the ground and around them up to 5 meters.

This next technique will require more chakra and concentration; prepare yourself mentally for that. Now, first you will perform the Ox handseal, and then I want you to hold that seal as you focus your raiton chakra into the air before you. Using your shape manipulation, form a wall of lightning which is condensed enough to defend against attacks as though it were solid. This defense manifests in the ability to shock and over-energize incoming attacks so as to destroy them.
The second technique of the B-ranks is similar in concept; you are to form a half-dome shape from your lightning before you which, once again, acts as a defense. However, you can also "push" the half-dome forwards into your immediate vicinity in order to attack an enemy with shocking power, paralysis, and physical momentum.

 

[Perception]

I'm ready for the next level. Here I go

Genkai stands still as the storm rages on. She does nothing for a few moments as she recollects her training up to this point. Ready to being Genkai channels more chakra than before throughout her body and vibrates it at a high frequency as she performs the Ox hand seal. In her mind she imagines the piercing nature of lightning but collected together as a sturdy wall. Genkai releases the lightning chakra through multiple chakra points and using shape manipulation forms it into the wall in her mind. A wall of lightning forms 1 m in front of Genkai. Genkai maintains the wall as a few leaves sway in the breeze and hit the wall. The leaves turn to a crisp from the electricity and Genkai releases the wall to give her analysis of the jutsu.

This jutsu is a perfect defense against earth projectiles. The wall projects your entire front side and can be formed quickly. You should be careful when using the wall to defend against weapons. If the weapon is explosive the lightning can trigger the explosive to go off, and you could be caught in the blast. This isn't really an attack jutsu, but it could be used for such purposes if the opponent is close to you. A downside is you have to maintain focus on the wall or it will disperse. This might leave you open for attack. Finally, most wind jutsu will be able to disperse the wall with ease.

Genkai listens to the description of the next jutsu and can't help but think of its the earth dome counterpart. Genkai builds up her lightning chakra and releases it into the air through numerous chakra points. As she does this she uses shape manipulation to form the exiting electricity into a dome with a 3 m radius that extends all around her. As before a few leaves and now tree branches hit the dome and disintegrate into nothingness. She then pushes the dome forward towards Mystogan. Surely Mystogan will easily defend himself. After his defense Genkai gives her opinion of the technique.

As with the last jutsu this is a great jutsu to defend against earth projectiles. The dome will protect your entire body and you don't have to maintain focus on it once it is formed. It can be used for an attack as you stated, but I think it serves better as a defensive technique. If your opponent uses a water jutsu or it begins to rain you should immediately disperse the dome. You should also be weary of attacks from the ground below because the dome will not protect against them. Unlike the earth dome I think with this dome you have the advantage of not having your vision blocked.