Angel Blades
User: M
Japanese Name: Angel Chakram
Description: The Angel Blades appear as three blades fired at the opponent. However, two of those three are only allusions to confuse the opponent.
 
Armor of the Ape
User: Kuro Momotaro
Japanese Name: Buju Soko: Maen No So
Description: In order to become invulnerable to Hiei's sword, Kuro used the steaming spheres to memorize the pain of the sword's attack. The result was the transformation known as Armor of the Ape.
 
Armor of Clay
User: Risho
Japanese Name: Shura Nendo Toi
Description: By using his powers as Master of Earth, Risho produces an armor out of the ground around him that offers protection as well as offensive abilities such as meteor-like attacks.

Armor of the Wolf
User: Kuro Momotaro
Japanese Name: Buju Soko: Maken No So
Description: To show off his true power, and to gain claws and teeth, Kuro Momotaro again uses one of his steaming spheres to transform. The result this time is his final form, the Armor of the Hyena.

Armor of the Phoenix
User: Kuro Momotaro
Japanese Name: Buju Soko: Machi No So
Description: After being attacked by Hiei's Fist of the Mortal Flame, Kuro uses his steaming spheres to once again memorize Hiei's attack, thereby transforming into the Phoenix.

Axe Blade Fist
User: Makintaro
Japanese Name: Masakari-Ken
Description: Makintaro can morph his hand into a powerful axe, that combined with his strength is a powerful weapon. However, against Hiei, it was completely useless.
 Banzai Missile
User: Kibano
Japanese Name: Zento-senpugeki
Description: Basically the attack is like a wrestling move, whereby Kibano swings his opponent over his head several times, then releases them, causing the opponent to spin wildly into the ground.
 
Big Arm Bomber
User: Kibano
Japanese Name: Daiwan-kohakusho
Description: Kibano focuses all of his reiki into his arm, causing the muscles to expand to an abnormal contraction. With his powered up arm, Kibano charges his opponent and slams the arm into them. Basically the attack has the sort of impact a powered up punch would.
 
Blood Sucking Plant
User: Kurama
Japanese Name: Kyuuketsu Shokubutsu
Description: A plant of the demon world, the Blood Sucking Plant was the final attack Kurama used in his fight against Karasu. The plant senses the blood of a demon and attacks that demon. When it has sucked enough blood out of the opponent, the plant will bloom.
Cage of Hell
User: Shishiwakumaru
Japanese Name: Onko Shou Baku Heki
Description: By calling upon the screams of the dead, Shishiwakumaru can produce a barrier to enclose his enemies, making it impossible to escape; thereby allowing him to attack them easier.

Chorus of 1000 Screams
User: Shishiwakumaru
Japanese Name: Bakuto Doku Shoku Sou
Description: By using his sword to call forth lost souls, Shishiwakumaru can produce an attack that will destroy weaker demon's if they are touched.
 
Circles of Inferno
User: Shorin
Japanese Name: Kasho Happa-ken
Description: By focusing his reiki into his palms, Shorin is able to create a ball of fire. However, it isn't very affective against Kuwabara, who uses his spirit sword like a bat to knock the balls right back at Shorin. 
Death Seeds
User: Kurama
Japanese Name: Shimaneki Sou
Description: By implanting the seeds into his opponent's body, Kurama simply has to wait for the seeds to begin growing. Once grown, he can use his youki to cause the seeds to burst out of the opponent, at times killing them.
 
Death Tree
User: Yoko Kurama
Japanese Name: Shokuyo Shokubutsu
Description: A demon world plant, the Death Tree is a root-based plant that contains huge mouths at the end of each root. The mouths produce a strong acid that will dissolve both flesh and bone easily. The plant survives on demon meat.
 
Dimension Blade
User: Kazuma Kuwabara
Japanese Name: Jigen Tou
Description: Kuwabara's ultimate spirit sword, the dimension blade
has the ability to cut through dimensions, as well as nearly everything else. Kuwabara acquires this technique during his battle with the Sea Man in the Sensui Saga.
 
Double Spirit Sword
User: Kazuma Kuwabara
Japanese Name: Rei Ken Nittou Ryu
Description: By concentrating his reiki into both palms, Kuwabara can create a spirit sword in each hand. This attack could be good when fighting multiple opponents, but is only really used when fighting against Rinku in the Dark Tournament opening match.
 
Dragon of the Darkness Flame
User: Hiei
Japanese Name: Jaou Ensatsu Koku Ryuu Ha
Description: Hiei's most powerful weapon, the Dragon of the Darkness Flame is a form of summoning technique in which Hiei calls upon the darkest energies of the spirit realm, focusing them into his arm and unleashing an attack that will destroy anything in its path. However, the dragon is nearly impossible to control once unleashed and can backfire on the user. Further, the use of the technique can paralyze the user's arm.
Enchanted Beasts
User: Byakko
Japanese Name: N/A
Description: By pulling out a strand of his hair, and blowing on it, Byakko can create large beasts from each strand. This attack is useful when fighting weaker opponents, so Byakko himself doesn't have to waste any energy.
Fist of the Mortal Flame
User: Hiei
Japanese Name: Jaou Ensatsu Ren Goku Shou
Description: Similar to the Dragon of the Darkness Flame, the Fist of the Mortal Flame is useful, but not quite as powerful. Also, instead of calling upon the darkest energies of the spirit world as is done with the Dragon, the Fist calls upon mortal energy to create the attack.
 
Force Field
User: Ruka
Japanese Name: Peripheral Realm
Description: Ruka has the ability to create a type of force field to imprison her opponents. She uses this technique against Hiei and Mask in order to prevent them from taking part in the Masho team battle. However, the attack also has the ability to heal the wounded, and is instrumental in healing Hiei's paralyzed arm.
 
Frozen Hell
User: Touya
Japanese Name: N/A
Description: By concentrating the power of his ice youki, Touya can create a realm of ice around the battlefield. By doing so, he gains the advantage both in maneuverable aspects, and ki aspects. However, in the Makai Tournament, his opponent was so powerful that the frozen hell wasn't much use.
 
Fuyouka Shokubutsu
User: Yoko Kurama
Japanese Name: N/A
Description: A butterfly-like plant, the Fuyouka is a technique that Yoko Kurama calls upon when it becomes necessary to fly. It can carry extremely heavy loads, as demonstrated when Yoko carried himself, Kuwabara, and Hiei into Makai using them.
 

User: Seiryuu
Japanese Name: Mato Torei-ken
Description: This is Seiryuu's ability to control ice and the temperature around him. He was apparently very good at it, and considered one of the best in the demon world, but he was no match for Hiei.
 
Incantation
User: Shorin, Rando
Japanese Name: Ineiraisan Inbyotosha Chimimoryo Kaichinretsu Zaizen Futenshunki
Description: Praise be to shadow, From he who faces the warrior, Spirits of mountain, forest, river, and stone, All is positioned in readiness, In the wanderer's place atop the mountain. This is the incantation that Shorin and Rando use in Genkai's Tournament in order to shrink their opponents.
 
Invisible Slash
User: M
Japanese Name: Swing Crash
Description: M concentrates his reiki in the form of a bo staff, which when used against weaker opponents, is completely invisible
Janen Ju
User: Kurama
Japanese Name: N/A
Description: A fierce plant from the demon world, the janen ju (evil thoughts tree) imprisons its victims for eternity, causing them to hallucinate whatever they fear most.
 
Juryo Yozanken
User: Yoko Kurama, Kurama
Japanese Name: N/A
Description: By creating multiple Rose Whips, Yoko Kurama can create the Juryo Yozanken, which is basically many rose whips entangled together around the arm, creating a sharp point at the end much like a fencing saber. The attack can also lengthen and attack at distances.
 
Ki Kou Juu
User: Sensui Shinobu
Japanese Name: N/A
Description: By attaching a gun to his right hand, Sensui is able to concentrate his reiki into one small point, making the force and power of his reiki blasts more intense.
 
Ki Kou Tou
User: Sensui Shinobu
Japanese Name: N/A
Description: By concentrating his sei kou ki, Sensui can manipulate it into solid form, creating an armor for his body. Since this armor is defensive, it will slightly limit the power of the users reiki, but automatically protect the user from opponent's attacks.
 
Knife Edge Death Match
User: Chuu
Japanese Name: N/A
Description: By using his sorcerer abilities, Chuu creates a type of ring around two knives, by which anyone who steps outside of them dies. In doing so, two opponents within the knives fight with fists, or head when the opportunity arises, until one falls.
 
Life-force Threads
User: Rando
Japanese Name: Threads of Yoki
Description: A concentration of the inner bodie's yoki, the threads of yoki is an imprisoning technique by which the user releases dozens of threads via the mouth, and manipulates them around the opponent's body. They are said
Makeup of Chains
User: Gama
Japanese Name: Gokujo no Sho
Description: In order to immobilize his opponents, Gama applies the Makeup of Chains, a type of makeup made of blood that seeps into the opponent's skin, making that part of their body unusable.
 
Makeup of the Seal
User: Gama
Japanese Name: Nembaku Fuju no Sho
Description: By using his blood cursed makeup to write the two Japanese symbols seen on your left, Gama can seal his opponent's ki within their body, making them completely defenseless when combined with the Makeup of Chains.
 
Mimosa
User: Yoko Kurama
Japanese Name: N/A
Description: A demon world plant, the Mimosa itself is immobile, only the stems can move. However, it senses the body heat of the opponent and chases them until it finally catches the opponent and eats them.
 
Offense Armor
User: Sensui Shinobu
Japanese Name: ?
Description: Just like with the Ki Kou Tou, the offense armor is a manifestation of the Sei Kou Ki. However, in this case, the armor is made for offense, slightly increasing the user's reiki.
Percentage Strength
User: Younger Toguro
Japanese Name: N/A
Description: Percentage Strength may not be an accurate name for this attack, not that one even exists. However, the attack is nonetheless amazing. Toguro has the ability to lower and raise his youki at will, transforming his body along with it. He can raise it to 30, 40, 80, 100, or even 120% (as these are the main stages he uses in the series). The sad part of this is that at 45%, Toguro is stronger than just about every human and demon in the human world.
 
Petals and Thorns
User: Kurama
Japanese Name: Fuuka Enbujin
Description: By concentrating his youki into his rose, Kurama can create multiple petals, each one razor sharp. By throwing them at his opponents, the opponent will be cut to pieces if they do not dodge. Due to the large amount of pedals thrown, dodging is difficult.
 
Prism of Seven
User: Suzaku
Japanese Name: Ankoku Yorojin
Description: Suzaku is able to create six duplicates of himself, each containing the same amount of power as him, as well as their own free will. It is the ultimate form of fighting that he has acquired ruling Demon City.
 
Prism of Seven Restoration
User: Suzaku
Japanese Name: Ankoku Yorojin
Description: Suzaku takes the yoki of his fallen duplicates and absorbs it. By doing so, he can raise his own yoki as well as heal himself from the injuries he may sustain in battle. Once done, Suzaku can use the Prism of Seven technique again, creating six duplicates who are just as strong once more.
 
Prism Storm of Torment
User: Suzaku
Japanese Name: Rikukoku Ankoku Raiko-ha
Description: With the combined powers of the six duplicates firing the Storm of Torment at once, the effects of the attack are obviously magnified, tormenting the opponent with indescribable pain.
 
 

Sei Kou Ki
User: Sensui Shinobu
Japanese Name: N/A
Description: A technique that only 1 in a 1000 can perform, the Sei Kou Ki is the most powerful form of energy a human or demon can acquire. Long ago, humans who saw demons perform this technique believed them to be angels, which (in YYH) is where the legend of angels originated. By performing the sei kou ki, Sensui is able to push the level of his reiki into the S class.
 
Sentonosho
User: Gama
Japanese Name: N/A
Description: By applying his makeup to his body, Gama has the ability to raise the level of his youki. This is what Gama refers to as the true ability of makeup that has been forgotten by humans and most demons.
 
Shards of Winter
User: Touya
Japanese Name: Ma Teki Sandansha
Description: Touya can create tiny pieces of ice that he blows at his opponent. After leaving his hand, they reach incredible speeds, cutting anything they touch. Also, since there are so many of them, the opponent has a harder time dodging or defending against the attack.
 
Shinbattou Shining Sword
User: Musashi
Japanese Name: Shinbatto-ryu Koshiken
Description: By focusing his reiki into his bokken, Musashi amplifies the attack power of the bokken several times over.
 
Spectral Flames
User: Zeru
Japanese Name: N/A
Description: Zeru's youki is powered by flames. Therefore, all of his attacks revolve around the use of his spectral flames, and so can be listed in this one description. The flames can be shot as simple balls, or engulfed into the body, giving the user an increased youki.
 
Spirit Gun
User: Yusuke Urameshi, Genkai, Rando
Japanese Name: Rei Gan
Description: Given to Yusuke by Koenma when beginning his job as Spirit Detective, the Spirit Gun focuses the body's spirit energy into the right index finger of the user and fires a blast of blue energy. When first receiving this ability, Yusuke was only able to use it once a day, as it drained his weak spirit energy. Once Yusuke got stronger and received the training of Genkai, his attack grew much more powerful.
 
Spirit Gun Double
User: Yusuke Urameshi
Japanese Name: ?
Description: During his fight with Chuu, Yusuke fired two consecutive blasts of his spirit gun at Chuu's youki ball. As such, the spirit gun double is simply two spirit guns fired at the same time.
 
Spirit Reflection Blast
User: Genkai
Japanese Name: Rei Kou Kyou Han Shyo
Description: A form of leaching attack, the Spirit Reflection Blast sucks energy out of the opponent and fires it back at them. In her battle against Shishiwakumaru, Genkai applies this technique due to her weakened spiritual energy caused by giving Yusuke the Spirit Wave Orb.
 
Spirit Shotgun
User: Yusuke Urameshi, Genkai
Japanese Name: Shotto Gan
Description: Similar to a Spirit Gun, the Shotgun focuses the spirit energy into the entire fist, then releases the energy in many small bursts. The attack is good for multiple opponents or to give the opponent no way to escape.
 
Spirit Sword
User: Kazuma Kuwabara, Majari
Japanese Name: Rei Ken
Description: Due to his heightened spiritual awareness, Kuwabara can create a sword out of his spirit energy. The first of his spirit abilities, the spirit sword is quite powerful in that Kuwabara can manipulate it to become longer to be used as a long sword or a javelin.
 
Spirit Sword Javelin
User: Kuwabara
Japanese Name: Rei Ken Nyorubi
Description: By focusing his spirit sword to grow longer, Kuwabara is able to use the sword like a javelin, propelling himself to heights he couldn't normally reach.
 
Spirit Sword Shards
User: Kazuma Kuwabara
Japanese Name: Rei Shuriken
Description: By focusing his reiki into many small attacks, Kuwabara is able to create multiple rei ken. Since the attack is fired in such volume, the opponent has a difficult time avoiding the blasts and is cut much like the Rei Ken would cut them. Kuwabara uses this attack when fighting against Elder Toguro in the Dark Tournament finals. Though the attack cut Toguro into pieces, it wasn't very useful in helping him win.
 
Spirit Wave
User: Yusuke Urameshi, Genkai
Japanese Name: Rei Ko Dan
Description: Unlike the Spirit Gun or Shotgun, the Spirit Wave channels energy throughout the entire body, increasing its power dramatically. However, much of the power is lost if the attack is not used as close range. This one attack was the most difficult for Yusuke to master under his training with Genkai, and when he did attempt it during his battle with Jin, Yusuke was unsure whether or not it would work.
 
Spirit Wave
User: Masked Fighter Genkai
Japanese Name: Shunoken Strike of Discipline
Description: By chanting "Meiin mestuju ressai kohaku/Kyo chojin komei eikyaku/Ko/Jo/Sai" Genkai can create a huge wave of reiki, that produce a barrier to immobilize her opponents. Once done, she implants her fingers into their heart. This attack expels all the evil within someone. Genkai had not used the attack for 20 years before using it on the Ms.
 
Storm of Torment
User: Suzaku
Japanese Name: Ankoku Raijin-ken
Description: Suzaku combines the power of lightning with his Yoki to create a nearly impossible to dodge attack called the Storm of Torment. The attack torments the opponent, entering their whole body and electrocuting them from within.
 
Sui Ken
User: Chuu
Japanese Name: N/A
Description: By drinking large quantities of saki, Chuu is able to mix his youki with the alcohol, creating his sui ken technique, or drunken technique (though I'm not sure if that is a direct translation). In his inebriated state, Chuu's movements are incredibly smooth and fast, and he has the ability to mix his youki with the alcohol in the form of energy ball attacks, which are as powerful as Yusuke's spirit gun at the time of their fight.
 
Sword of Ice
User: Touya
Japanese Name: Sei no ken
Description: By focusing his ice laden youki into his arm, Touya can create a sword made of ice. There isn't much else to say about this attack -_-
 
Sword of the Darkness Flame
User: Hiei
Japanese Name: Jaou Ensatsu Ken
Description: By focusing the power of the Dragon of the Darkness Flame into his sword, Hiei is able to control the technique much better, but at the cost of losing much of its power. Further, the attack is something Hiei would rather not perform as he sees it as a last resort and cowardly to use. However, when fighting against Momotaro, Hiei has no choice but to use the Sword as all his other techniques were useless against his opponent.
 
Tiger Scream
User: Byakko
Japanese Name: Meiko shokai-ha
Description: The Tiger Scream is Byakko's ability to produce a powerful youki attack form his mouth, which has the ability to completely decimate anything it hits.

Tornado Fist
User: Jin, the Wind Master
Japanese Name: Shura Senpuuken
Description: By moving his arm in circles at a extreme speed, and focusing his youki into his fist, Jin is able to create the Tornado Fist, a close range attack with huge power. Even if the opponent is able to dodge the attack, the wind encircling Jin's fist will still hit the opponent or knock them away.

White Mist
User: Bakken
Japanese Name: Shura Ninjustu: Hakuen no Kiri
Description: By using his sweat, Bakken can produce a very thick white mist to blind his opponent during battle. However, the attack is not very affective against Yusuke as Yusuke uses his Spirit Gun to vent