Isobu (Bijuu)

Isobu (磯撫, Isobu), more commonly known as the Three-Tails (三尾, Sanbi), is one of the nine tailed beasts. Isobu primarily resembles a large turtle, but with a crab-like shell, spikes all over his body, and three shrimp-like tails. Under his shell, he has red, muscle-like tissue. He has a pair of human-like arms and hands, but no hind-legs. His face is concealed between a large forehead and lower jaw — both of which have spikes. His eyes are red and have yellow pupils. His right eye is constantly closed. Isobu's personality is extremely timid, shy, and unconfident. He is much less outspoken than his siblings and is usually quite obedient to his jinchuuriki. As a heavily armored turtle, his body is quite resilient but slow on land. However, he is widely considered to be the fastest swimming sea creature in the world. His sealing prison usually appears as an underwater cavern as a result. Isobu is immensely skilled with genjutsu and suiton. He specializes in his legendary cursed sea techniques that mix water and genjutsu as well as in saltwater suiton ninjutsu that are quite resilient to raiton.

## Guild History

As with all chakra demons, Isobu's origins were as a portion of the ten tailed beast (juubi). The juubi was a powerful creature created by Jashin in the earliest period of Evergreen's (SR's) universe for the sole purpose of destroying as much of the dimension as possible. The juubi would travel from galaxy to galaxy consuming as many star systems as possible before Evergreen expended some of her divine power to weaken it by splitting it into nine equal pieces with unique names and identities. The gods Utu and Zelel would weaken the nine demons even further until they were banished and contained to Earth.

Isobu was sealed for some time into the Sero tree in Kirigakure before he was released by insurgents. The insurgents sought to control the demon to destroy the village but were defeated by Kirigakure's forces. One of Kirigakure's fuuinjutsu masters sealed Isobu into a young sea goddess priestess named Kagami Hari. The Mizukage Inka and the rest of Kirigakure's shinobi would later join Arashigakure but Kagami disappeared.

Arashigakure sent oinin to find Kagami and her demon for three years but were unsuccessful. It was speculated that Kagami had died and Isobu disappeared. These oinin hunts, the collapse of Kirigakure, and the United Hidden Villages war caused Kagami to resent shinobi villages and become a dangerous rogue.

Kagami assassinated the leader of and took over Kogarashi for the goal of destroying the villages once and for all and creating an anarchic society. She mastered, manipulated, and used Isobu's power many times as an immensely powerful enchantress to further this agenda.

After Kogarashi's defeat in the battle for Arashigakure, Kagami used Isobu's power to create an island surrounded by genjutsu fog to hide herself, her son Satoshi, and Kogarashi's remnants.

Kagami Hari used Isobu's power to kill the Sun god Utu before giving her life to give life to a powerful creature that would be used to destroy the yokai menace. She was obsessed with helping humanity to redeem herself for the destructive actions of Kogarashi and believed that this was the only way.

When Kagami died, Isobu disappeared and reappeared before her son, Satoshi Genburyuichirousuke, who used his power over sage chakra and a totem of Jashin to destroy the demon out of anger for the death of his mother.

When Isobu reformed in the world after being destroyed, he became depressed and hid under the ocean. The Lightning Empress Unki Amano was concerned when she discovered that Isobu was so close to one of the Lightning Empire's coastal towns. Unki ordered the sealing of the demon into Nami Shoton.

## Traits

* Isobu's resource pools are both 5,000.
* Isobu regenerates chakra equal to the user's body rank per post in combat.
* The jinchuuriki is able to draw chakra from Isobu as an action during combat equal to two ranks above their body rank.
* Isobu's host is able to innately breathe underwater and receives a [2] point speed boost while fully submerged.
* The host is able to apply [1] tier higher mental stress or insanity to any genjutsu that uses those status effects.
* The host is able to apply 5 chakra to their suiton jutsu for no action cost to convert it to saltwater. Doing so gives the user's suiton an elemental advantage to raiton while retaining their advantage to katon and weakness to doton.
* Isobu's jinchuuriki can innately use suiton as a trigger for genjutsu whether it's through viewing the water, hearing it, smelling it, tasting it, or touching it.
* Upon mastery of Demon Cloak Stage 1, Isobu fully unlocks the water nature transformation in the user as a full additional element if the host does not already possess it.

## Demon Attributes

**Grand Illusionist |** Even if the jinchuuriki is not a genjutsu class specialist they gain access to one of the genjutsu paths: illusionist (illusory focus), enchanter/enchantress (enchantment focus), trickster (instance focus), or conjurer (chain focus). If the host already has a genjutsu path then they may choose a second but can take only one keystone. All genjutsu require [1] tier higher of pain to release from the jinchuuriki's genjutsu at a maximum of tier 4. Additionally, all genjutsu upkeep costs are cut in half.

**Mirror Flower, Water Moon |** The Isobu host may use the realism mechanic on genjutsu that controls [3] senses rather than the [4] sense minimum. Additionally, realism consumes [1] fewer offensive actions. All genjutsu cast by the host last for an additional [2] posts with no upkeep costs, including instance, and this can be added on top of genjutsu class disciplines.

**Dead Sea |** All saltwater suiton lose their weakness to doton while maintaining their elemental advantage to katon and raiton. Additionally, once the demon mastery stage has been attained, all cursed sea techniques can be half paid for using Isobu's chakra reserves and be made overwhelming even when a demon transformation is not being used. The Isobu host may also create a keystone dedicated to cursed sea techniques in addition to any other keystone they may possess.

## Transformation Stages

### Demon Cloak Stage 1

A foggy cloak of sea-green chakra with passing ghastly illusory images forms over the user and can manifest one shrimp-like tail. Additionally, one of the host's eyes turns a glowing yellow while the other eye often closes to resemble Isobu. The user passively draws in enough water to flood the topic the host is in up to 10 feet.

* The user's endurance and agility are elevated to 10 for the duration of their transformation while strength and speed remain unchanged.
* Suiton techniques are considered overwhelming during the transformation.
* Genjutsu techniques are considered overwhelming during the transformation.

### Demon Cloak Stage 2

The user is coated in a thick, ominous black and blood red chakra that coats their figure as nothing more than a silhouette of their figure remains. During this stage, the user's eyes become frightening white orbs as they hunch over on all fours and form a spiky turtle shell over their body. The user is often unable to do more than go berserk on their foes during this transformation. The user also grows three tails. The user passively draws in enough water to flood the topic the host is in up to 20 feet.

* The user's agility, endurance, speed, and strength are elevated to 10 while the transformation is active.
* Suiton techniques are considered overwhelming during the transformation and cost [1] rank less to cast.
* Genjutsu techniques are considered overwhelming and [1] sense may be added.

### Demon Mastery

The host dons a bright sea green fog of chakra with terrifying ephemeral illusory images as they and Isobu are able to unify their will and openly share his chakra and the host's body without reserve. This sea green chakra hugs the user's form and clothing tightly, appearing similarly. The user manifests all three tails and forms a spiky gray turtle shell over their body with three gray spiky shrimp-like tails. One of the host's eyes close and the other remains open with a ghastly yellow glow. The user passively draws in enough water to flood the topic the host is in up to 40 feet.

* The user's strength, agility, and speed are elevated to 10 while the user's endurance is elevated to 12 for the duration of the transformation.
* Suiton techniques are considered overwhelming during the transformation and are boosted [1] rank higher during this transformation.
* Genjutsu costs an additional rank to kai and the user may add [2] senses to any illusion.

## Cursed Sea Techniques

Isobu grants his host access to his own brand of powerful suiton and genjutsu known as the "Cursed Sea" techniques for their terrifying properties. The user can masterfully blend saltwater suiton and fog with potent illusions for devastating results. The saltwater Cursed Sea techniques create an abundant amount of water that can easily flood areas even at the lower ranks. Additionally, the Cursed Sea genjutsu create demonic images that inflict mental stress as well as insanity in a deadly combination.

**▰ Cursed Sea: Kappa Invasion [ Norowareta Umi: Kappa Shinkō ]**

* Category: Chain
* Rank: C
* Primary Sense: Sight
* Additional Senses: Sound, Touch
* Base Duration: 5 Posts
* Upkeep: 10 Chakra
* Trigger: Releasing from Cursed Sea genjutsu, destroying Cursed Sea illusory images
* Source: Illusory Images
* Status Effect: Mental Stress
* Description: When any Cursed Sea genjutsu is released or an illusory image of a monster in a Cursed Sea technique is destroyed a group of twenty kappa will appear. These humanoid turtle yokai will begin wrestling and biting into the target inducing second tier mental stress.

**▰ Cursed Sea: River of the Damned [ Norowareta Umi: Norowa Reta Kawa ] | Rank B | Spiritual**

The user releases a river of saltwater from their mouth that is able to flood the topic it was fired in by ten feet. The river flows rapidly toward the target destroying all in its path. The saltwater river will cause tier two insanity as non-genjutsu illusory images of dead souls scream out to the targets inflicting tier two insanity.

**▰ Cursed Sea: Binding of the Hydra [ Norowareta Umi: Haidora no Sokubaku ]**

* Category: Instance
* Rank: B
* Primary Sense: Touch
* Additional Senses: Sight, Sound
* Base Duration: 5 Posts
* Upkeep: 20 Chakra
* Trigger: Suiton
* Source: Touch Phantasm
* Status Effect: None
* Description: The user feels their feet and legs being wrapped by strong tentacles as well as bites from hydra heads. Additional sea-based yokai can also bind the target's feet and legs. Pain is inflicted by the bites and crushing pressure of the tentacles and hydra. The hydra heads and tentacles, if destroyed by the victim, will create even more in their place. These bindings cause a stat reduction by [2] each in speed and agility for the short duration of this cantrip. If the target is submerged in water then they will believe that they are being pulled down deeper despite their attempts to escape.

**▰ Cursed Sea: Haunted Whirlpool [ Norowareta Umi: Yūrei no Uzu ] | Rank B | Spiritual**

The jinchuuriki creates a massive swirling whirlpool of saltwater that is increased in power by one rank if the topic is flooded. In the center of the whirlpool is an illusory image of an undead kraken with rotting tentacles that will pull enemies into the center of the whirlpool to drown them. This technique applies third-tier suffocation if successful and third-tier drench otherwise. This whirlpool lasts for eight posts.

**▰ Cursed Sea: Saltwater Prison [ Norowareta Umi: Ensui Keimusho ] | Rank X | Spiritual**

The user forms a handseal and creates a massive amount of saltwater that surrounds the target(s). The water then surrounds and engulfs the target as a standard water prison does but in the shape of a clam that clasps them in. The prison will become overwhelming with the sanbi's demonic chakra applied. The saltwater prison applies tiered suffocation and mental stress by the rank of the technique and can be used to trigger genjutsu. Additionally, the prison reduces the target's strength and endurance by [2] each while within the prison.

**▰ Cursed Sea: Fog of Madness [ Norowareta Umi: Kyōki no Kiri ] | Rank X | Spiritual**

A fog covers the entire topic and smells of saltwater as if the mist blew in from over the sea. The fog persists for ten posts before needing to be cast again. Passing images of mythical sea creatures such as mermaids, Kraken, sea serpents, Umibozu, etc constantly appear within the fog to terrify the opponent. As a result, the fog causes tiered insanity by the rank of the technique. Additionally, the fog itself is considered a free trigger for genjutsu. All genjutsu cast by the user can work alongside the fog. If demonic chakra is applied to the mist then it will empower the fog's chakra presence and make sensing more difficult causing tiered jamming by the rank of the technique. The fog can be blown away by an equally powerful wind technique for one post before the fog is drawn in again to continue its original duration.

**▰ Cursed Sea: Saltwater Shield [ Norowareta Umi: Ensui Shīrudo ] | Rank X | Spiritual**

The host creates a constantly swirling shield of saltwater around themselves in all directions in the shape of a spiky turtle shell. Since the shield is made entirely of Isobu's saltwater it is resilient to fire as well as lightning. While within the saltwater shield, the user's endurance is increased by [2] stat points.

**▰ Cursed Sea: Demonic Sea Mirror [ Norowareta Umi: Akuma no Yōna Umi no Kagami ] | Rank X | Spiritual**

When an opponent attacks the jinchuuriki in close quarters, the user will form a handsign and manifest a circular pool of saltwater between them and the enemy(s). This pool of water then forms a highly reflective surface of water. Suddenly, the enemy(s) sees a clone of themselves their own reflection leave the mirror and attack them with the same taijutsu or bukijutsu attack before automatically exploding outward as a blast of saltwater. The mirrored technique must be taijutsu, bukijutsu, or basic combat. There is potential for the water clone to counter attack with the same move before causing damage with an equally ranked spiritual attack when the clone explodes outward for only the cost of one combat action levied upon the user.

**▰ Cursed Sea: Into the Depths [ Norowareta Umi: Oku E ]**

* Category: Enchantment
* Rank: A
* Primary Sense: Touch
* Additional Senses: Sight, Sound
* Base Duration: 5 Posts
* Upkeep: 40 Chakra
* Trigger: Suiton
* Source: Touch phantasm
* Status Effect: Mental Stress, Suffocation
* Description: After a suiton technique is used and acknolwedged, the target believes that they are completely submerged in salt water. The further they try to swim upward the deeper they discover the water they are submerged in is. Eventually, their limbs give out from exhaustion and they begin to experience the sensation of drowning. The victim will hold their breath as they believe that they are drowning causing third tier suffocation status. They feel their lungs collapse in before they view an army of snapping turtles approaching them. The snapping turtles then completely consume them and rip out their flesh with intense bites causing third tier mental stress.

▰ Cursed Sea: Undeath [ Norowareta Umi: Shinu ]

* Category: Illusory
* Rank: S
* Primary Sense: Sight
* Additional Senses: Touch, Scent
* Base Duration: 5 Posts
* Upkeep: 80 Chakra
* Trigger: Suiton
* Source: Illusory Images
* Status Effect: Mental Stress
* Description: Once a suiton technique has been discharged and acknowledged, the user sees potent illusory images of skeletal pirates with rotting flesh. If the area is not flooded then they will appear on foot but if it is flooded then they will appear on board a massive and ghastly galleon of disrepair. The pirates will pursue the target before grabbing hold of them and corrupting them. They can feel and see their own flesh rotting and even smell it. The more the victim resists the more they will perceive their corruption into the undead by the pirates.

**▰ Cursed Sea: Cataclysmic Wave [ Norowareta Umi: Geki-ha ] | Rank S+ | Spiritual**

The jinchuuriki forms a handsign before loosing a massive two-hundred-foot tall tidal wave. This tsunami is entirely made of saltwater and drowns the entire topic. The water can then recede back to the user rapidly causing further displacement and devastation. The sanbi pays for half of the cost of this technique whether the host is using a demon transformation or not making the technique S+ overwhelming. This technique causes tier four drench.

**▰ Cursed Sea: Siren Spell [ Norowareta Umi: Sairen Superu ]**

* Category: Enchantment
* Rank: S+
* Primary Sense: Chakra
* Additional Senses: Sound, Sight
* Base Duration: 5 Posts
* Upkeep: 160 Chakra
* Trigger: Suiton
* Source: Emotion Manipulation
* Status Effect: Mental Stress & Insanity
* Description: As a suiton technique from the host floods the area the victim will perceive a group of beautiful sirens. Their song is at first beautiful and capable of luring the target toward them. The song stirs up intense emotions of infatuation in the victim but once they get close enough to the sirens the song immediately takes a darker turn. They scream in a high pitched tone before morphing into terrifying demonic creatures. As they shriek they use their claws and teeth to maul the victim causing intense fourth tier mental stress. In addition, the high pitched shrieking continues to manipulate the emotions of the victim and drives them to madness with fourth tier insanity.

**▰ Cursed Sea: Drowned God [ Norowareta Umi: Oboreta Kami ] | Rank S+ | Spiritual**

The jinchuuriki releases a massive amount of saltwater in all directions into the surrounding area. Once this is done, the entire topic will be under forty feet of saltwater. If Isobu's chakra pays for half of this technique then the flooding will be doubled. When all of the water is present then a massive twenty-foot tall all-black creature will appear at the bottom of the created ocean. This creature is the drowned god and will appear as an Umibozu yokai that will swim after and attempt the eat the target(s) for twelve posts before disappearing. This technique can only be used once per battle if in combat and once per ten posts out of combat.