• Apprentice: Permission from me or trained by a Practitioner or higher. Must be trained as a C rank jutsu. Teacher bonus does not apply.
  
• Practitioner: Permission from me or trained by an Adept or higher, must be trained as a B rank jutsu OR must be trained as a C rank kinjutsu. Teacher bonus does not apply.
  
• Adept: Permission from me or trained by a Champion or higher, must be trained as an A rank jutsu OR must be trained as a B rank kinjutsu. Teacher bonus does not apply.
  
• Champion: Permission from me or trained by a Master, must be trained as a S rank jutsu OR must be trained as an A rank kinjutsu. Teacher bonus does not apply.
  
• Master: Permission from me or trained with another Master, must be trained as a C rank kinjutsu OR must be trained as a S rank kinjutsu. Teacher bonus does not apply.
  

A taijutsu style developed by a gifted martial artist in an attempt to match shinobi's power. Over time, he gathered information about their ninja techniques and tried to mimic them in his martial arts style, but failed. However, it turned out that while his techniques were very different from normal ninjutsu, not only did they match in power, they could also surpass it. The man was smart enough to figure out what made his techniques different from ninjutsu, and instead of trying to correct it, focused on increasing this gap. The result is known as Kyokugenryuu Karate or Extreme Limit Karate, which he claims to be nothing short of the ultimate taijutsu style as it offers unparalleled speed and strength for true masters.
The main difference this style has when compared to any other that ninja use, is that it is based on using one's spirit energy rather than chakra. Since chakra is made by combining spirit and body energy, also known as stamina, one might think that it is weaker than a chakra-based style, but that is not the case at all. The first reason for that is a Kyokugenryuu user only uses body energy for physical movement, while a shinobi uses it for the molding of chakra as well, so they would last longer against an opponent of equal strength. The second reason is that it is much harder to use up one's spirit energy than body energy. While it is unknown whether its reserves are greater, it is used slower, both or some other reason, it is an easy to make observation that whenever a shinobi runs out of chakra, they run out of stamina, and vice versa; but you'll never run out of chakra as long as you have at least a little body energy left. This means that even when fatigued, a Kyokugenryuu user will still be able to execute special techniques while their opponent might not. The final and probably most important reason is that when you collide your spirit energy against someone's chakra, the fragile balance of spirit and body energy in their chakra is ruined. In other words, any chakra-based technique will pretty much dissipate without offering any resistance. However, in return, the user of Kyokugen loses the ability to mold chakra. The few exceptions to this are special bloodline techniques that deal with transformation, however, the user will not be able to use neither chakra techniques nor Kyokugen in the transformed state, only possessing the general abilities of that form and the ability to turn human again.
There are many ways to use spirit energy, both in and outside battle:

• General Effects: Kyokugen users hold spirit energy inside their bodies during battle, just like ordinary shinobi do with chakra. This provides them with total defense against chakra techniques and slightly increases their general physical ability
  
• Power Attacks: Power-focused blows of a Kyokugen user are truly devastating. These attacks are executed extremely fast (at the same speed as a speed-focused attack, but only one blow), but they require a little time of gathering spirit energy into the limb you're going to use and a bit of recovery time after the attack. The spirit energy is used to amplify the strength of the blow. Since it is not muscular strength, it can't be used to lift heavy objects and it won't deal fatal injuries
  Apprentice: +75% power; Practitioner: +150% power; Adept: +250% power; Champion: +400% power; Master: +600% power
  
• Speed Attacks: Speed-focused attacks of a Kyokugen user are impossible to completely avoid. They are executed extremely fast, but each blow deals less damage than normal. Their maximum potential and most common use is performing a high-series combo with one limb. The reason for this lies in the distribution of spirit energy and limitations of a human body
  Apprentice: +75% attack speed; Practitioner: +150% attack speed; Adept: +225% attack speed; Champion: +300% attack speed; Master: +400% attack speed
  
• Speed Burst: Forcefully releasing some spirit energy in a certain direction, a Kyokugen user is able to give themselves a short-range speed boost. It allows them to cover small distances almost instantly to surprise their opponents with a charge attack. This ability cannot be used to push oneself upward, but it can be combined with a normal jump
  Apprentice: 10 feet; Practitioner: 20 feet; Adept: 30 feet; Champion: 40 feet; Master: 50 feet
  
• Energy Attacks: This technique is useful for when the amount of hits and total damage is more important than the individual power of each. Actively releasing spirit energy from the limb they're attacking with, the user will deal a high number of barely visible blows purely with spirit energy, which will visibly swirl around the limb, to the opponent, in case the attack reaches them
  Apprentice: 20 spirit energy blows, +100% total damage; Practitioner: 32 spirit energy blows, +200% total damage; Adept: 45 spirit energy blows, +350% total damage; Champion: 60 spirit energy blows, +550% total damage; Master: 80 spirit energy blows, +800% total damage
  
• Energy Projectiles: Kyokugen users can gather up their spiritual energy and utilize it in range attacks as projectiles. Common projectiles are about one foot in diameter, large projectiles are human-sized blasts. The difference is, common projectiles can be simply released from one hand, while large require a little time to charge up, both hands to release and a little recovery time. Naturally, large projectiles also possess more, five times to be precise, power than common ones. Require a thrusting/throwing/pushing motion of the hands. The power of projectiles is shown in how much damage they deal compared to the user's punch
  Apprentice: average speed, 90% power; Practitioner: high speed, 105% power; Adept: high speed, 125% power; Champion: great speed, 160% power; Master: extreme speed, 200% power
  
• Energy Blows: A direct advancement of the projectile attacks of Kyokugen, these are physical blows that work at a distance. Like projectiles, they can be common, like a punch, or large, attacking the whole human body and dealing five times more damage total but only from half the distance. These skills are instantaneous after the specific hand motion
  Champion: 160% power, 4 feet; Master: 200% power, 6 feet
  
• Defense: Spirit energy can be focused into a particular part of the body to increase resistance to all kinds of attacks. This is especially effective against pure chakra techniques, which are already negated by the general presence of spirit energy in one's body, and also provides defense against other forms of attack
  Apprentice: light defense; Practitioner: minor defense; Adept: considerable defense; Champion: good defense; Master: excellent defense
  
• Non-combat: Spirit energy can be used to dull or block pain reception, stop blood flow, focus their healing power in one spot and control some other bodily functions. Of course, this can also be done in battle, but it requires some concentration
  Adept: minor use; Champion: average use; Master: high use
  

For reference, see moves under this link
Note that the combat abilities given above are limits in that area. One doesn't have to use either a power- or a speed-focused attack to the max, but can combine them rather freely, and the same with other abilities

This is a technique horrifying in its effects. One could say it is based off Extreme Limit Karate because it utilizes spirit energy, but that is not quite the case. Rather, this is Kyokugen, the dark side of it, although its dark nature doesn't show right away. One who starts walking down the Dark Path may never be able to stop and go back, giving in to the darker sides of their personality and their selfish desires. However, this is not a sudden shift of personality, but a gradual change.
The reason this technique was forbidden is because of its evil nature and insane power. Just like Kyokugen, it is based on using spirit energy to enhance one's attacks and overcome ninja techniques, but on a whole different level, and it also does more than that. Additionally, this is an assassination technique, while Kyokugenryuu Karate is strictly non-lethal - a situation with an accidental kill is practically impossible in Kyokugen, despite the attacks having great power and some of them being intended as one-hit knock out moves.
A Dark Karate user would target the very life force of their opponent and blow it out from their bodies with their spirit energy, in other words, it could be said this technique attacks the soul of its victim. There is no known defense against this technique, since spirit energy nullifies attempts to protect oneself with chakra and it can't protect against itself either, and it can pass throw solid objects up to two inches thick without affecting them, so normal armor won't work either. However, when using it, the martial artist will have to choose between using their spirit energy to amplify their taijutsu the way normal Kyokugen users do or to attack the soul of an enemy.
Dark Karate provides alternative effects to Kyokugenryuu techniques:

• General Effects: As the victim is taking hits from this technique, they will gradually lose control over their body and their senses will be reduced, until the moment they die, though there is no physical pain or other discomfort caused by it. They lose (X/3) control over their body and (2X/3) of their senses, where X is the amount of damage they took from Dark Karate in %. However, the effects pass rather soon if the attacks stop coming: the recovery begins one post after the person stopped taking these hits and is 5% per post - though it will be affected by the amount of normal damage they took, which could bring it down to 1%
  
• Power Attacks: Rather than possessing a lot of power, these attacks become the primary source of damage for Dark Karate
  Apprentice: 10% damage; Practitioner: 30% damage; Adept: 55% damage; Champion: 85% damage; Master: 115% damage
  
• Speed Attacks: No change
  
• Speed Burst: No change
  
• Energy Attacks: No change
  
• Energy Projectiles: The killing technique of Dark Karate can be put into energy projectiles, in which case they turn dark purple in color
  Apprentice: 5% damage; Practitioner: 7% damage; Adept: 10% damage; Champion: 15% damage; Master: 20% damage
  
• Energy Blows: No change
  
• Defense: No change
  
• Non-combat: No change
  

Note that the combat abilities given above are limits in that area. One doesn't have to use either a power- or a speed-focused attack to the max, but can combine them rather freely, and the same with other abilities

Werewolves are generally physically tougher than vampires or banshees, but their minds aren't quite as strong. They are known to have great stamina and high resistance to pain, and strangely enough, they are completely unperceptive to physical pain of any kind caused by illusionary techniques. Depending on the kind of animal one is bound with, werewolves may possess sight, hearing and smell increased to varying extents: for example, werewolves have great smell and increased hearing while werecats have highly increased sight and hearing and increased smell. For reasons unknown, those bearing this Curse are unable to use summoning animals: their blood simply flows off contract scrolls as if they were metal.
Stronger werewolves can spread the Curse through any wound left by their nails/claws or teeth. The victim will not turn unless the werewolf releases special bacteria, which resides in their saliva and nails/claws, into their bloodstream, so it is almost impossible to spread the Curse unwillingly. Once the victim is infected, they would fall very ill within a few hours and would remain sick for a week, during which their body would be going through many changes, after which they would suddenly get well. However, an experienced medic ninja should be able to identify the bacteria and heal the victim, but that is only possible within two days of the infection: after that time, the immune system will have been altered so that killing the infection would also kill the patient.
Another difference compared to the other Cursed, is that werewolves are affected by new moon and full moon. On the night of a new moon, they are completely freed of their Hunger, but lose the ability to transform into Were-Form, altogether for half-bloods and beyond Stage III for Pure Bloods. On the night of a full moon, the Hunger becomes extremely hard to resist, and the Cursed are forced into the highest Stage of Were-Form available to them. Only very strong-willed individuals may be able to resist it, but even then, Pure Bloods cannot go below Stage III.

The distance is 100 feet for E-rank werewolves, 200 feet for D-rank, 350 feet for C-rank, 500 feet for B-rank, 750 feet for A-rank, 1000 feet for S-rank and 1500 feet for SS-rank. If sending to a Cursed you don't know personally, the distance is cut in half, and to send to a human you don't know closely, you must have them in sight or within one tenth the normal distance. In addition, when communicating with one's clones, the distance is unlimited.
All Cursed have the ability to find another anywhere in the world, but they must know the person in question rather well and they'll only know which way to go towards them. This will not work if the one you're trying to find is hiding their presence.

While the shape shifting technique allows those with the Curse of Flesh to turn into pretty much any carnivore mammal, they only have one Were-Form, and it is entirely different from turning into the actual animal, as it combines their human and animal forms into something unique. The animal they are bound with can be any quadruped carnivore mammal, just like for shape shifting, but there is only one for each Cursed. The transformation has several levels called Stages, though it can be skipped directly to any level within the Cursed's power. Only the basic levels are available to half-blood werewolves. Unlike a normal ninja transformation or the shape shifting technique, it does not involve a puff of smoke and, while not losing in speed to those transformations, can be seen through the process.

• Stage O: This is a no transformation stage of the Were-Form, in other words, completely human, or at least as human as werewolves can get.
  
• Stage I: This stage involves minimal transformation. The Cursed gain some minor physical traits of their bound animal, like ears, a tail, maybe some facial markings and the like. Nothing else really changes, except their bound animal's feature senses are enhanced.
  
• Stage II: The second stage involves more transformation than the first one. The Cursed now definitely get their animal's ears, eyes, a tail (if any) and facial markings or even hints of features. Depending on the animal, their fingernails can grow slightly and become sharper and stronger. Also dependent on the animal they are bound with, they may get a tiny layer of fur on their skin, which isn't really visible and feels mostly like very soft skin to the touch. At this stage, the Cursed gets a higher boost to their feature senses and a 15% overall physical ability increase.
  
• Stage III: The third stage is on the edge of staying more or less human, though nobody would call a werewolf in this form human if they saw them in proper lighting and without some kind of robe. The Cursed gain most of their bound animal's physical traits: ears, eyes, tail, hide or just skin, feet, two joints in their legs and maybe other similar traits. Even their face now looks like a mix of human and the animal they are bound with. Their arms remain almost completely human at this stage, with only the general body changes and claws appearing on their hands for most. At this stage, the Cursed gets even sharper senses and a 40% overall physical ability increase. This is the highest stage a half-blood werewolf can transform into.
  
• Stage IV: This stage is only accessible by a Pure Blood werewolf. With it, the physical transformation is complete, and the Cursed looks like a humanoid version of their bound animal rather than a human with animal features, though some body features only found in humans remain. At this stage, their body type is still the same for the most part, only slightly more muscular in appearance, yet their physical attributes are highly increased and they get large strong claws. Their strength increases 120% while speed and agility increase 60%, and their senses also become much sharper than a pet-nin's of the same kind.
  
• Stage V: This is the second highest normal stage of Were-Form, only accessible by a Pure Blood. The physical transformation of the user continues, but rather than new features, they grow in size and their body shape changes. A Cursed in this stage will be, on average, seven feet tall, though it depends on their bound animal and a little bit on their human form height. Their upper body also grows in size a lot in comparison to lower body, turning them into the classic image of a werewolf. At this stage, only the shape of their arms remains somewhat humanoid: despite the fact that the body does not become less human than at the previous stage, it can usually no longer be recognized because of its shape. Their claws and teeth grow larger still, becoming very big but not so much as to hinder any of their actions. The Cursed's strength increases 450%, their speed and agility 80% and their senses reach a new high. Their wounds also start healing faster in this form.
  
• Stage VI: The highest normal stage, this one is only accessible by strong Pure Bloods. Compared to the fifth stage, only the werewolf's size and physical ability changes and their hide becomes able to stop weak attacks. A Cursed in this stage will be eight feet tall on average, though it depends on their bound animal and a little bit on their human form height. Their muscles become very well-defined, though somewhat hard to see through thick hide if it's present. The Cursed's strength increases 1900% while their speed and agility increase 100%. Interestingly, they may become much larger than eight feet high if they want to, but their physical ability remains unchanged, meaning compared to their size, they become weaker and slower.
  
• Stage VII: This is the strongest Were-Form, only usable by very strong Pure Blood werewolves. The Cursed becomes bigger again, this time reaching an average height of nine feet, but their power grows greatly. Their claws become like steel blades, and much like at the highest level of animal transformation, their hide gains considerably protective qualities, able to stop many projectile and melee attacks while also punishing anyone who would dare touch the Cursed by cutting them. Their body becomes ripped with muscles and heals up even better than before. The Cursed's speed does not increase additionally from Stage VI, remaining at a 100% boost (though technically increasing because of the werewolf's size), and agility increases only a bit, to a total 120% bonus. However, their physical strength becomes insanely high, able to match that of enormous summoning creatures. Interestingly, they may become much larger than nine feet high if they want to, but their physical ability remains unchanged, meaning compared to their size, they become weaker and slower, though still on par with any boss summon.