Zanpakutou's true name: Amaterasu Oomikami [天照大神／天照大御神]

Bankai appearance: Madara's whole body gets engulfed with flames, as well as his sword. It appears that his sword is made of flames, but this isn't the case, for it is "hidden" below these flames - it is merely a trick to fool his opponents. The flames are though not damaging Madara in any way for being a part of his Zanpakutou and therefore a part of his soul.  While in Bankai if Madara speaks, two voices can be heard: one male and one female, Madara’s and Amaterasu’s (Madara’s Zanpakutou spirit).

Release command: "Bathe in the warmth of the sun."

Passive Abilities:

Passive Ability I

Coat of Darkness- The Flames that once covered his right arm, stretch out and cover all of his (Madara's) body upon Bankai activation. The usual color of the flames is gone. The color changes into black. These flames heat the air around the user to 70°C or 158 F). Due to this, it is difficult to get close to the user. The radius of the heat is 5 meters around the user. The effects created by the heat range from, increased fatigue, sweating, dizziness to severe drowsiness, headache, and difficulty breathing. In the most severe cases (the opponent being exceptionally weak or already near exhaustion), loss of coordination or losing consciousness may occur. Also, the flames that surround Madara have a radius of 50 cm except for the flames on the arm in which the blade is held, it has a radius of 15cm around it.

Passive Ability II

Gift of the Goddess - Upon activating Bankai, Madara gains an increase in speed, body strength.

Active Abilities:

Active Ability I

Girei [Crying God]

The flames which cover the opposite arm (opposite of the one in which Madara holds his sword) are pulling back towards his wrist area. These flames start moving and fill the spaces between his fingers, causing extreme heat. By focusing these flames in front of his palm (a few millimeters away) he is able to cause a heat that is so extremely high that the air starts to combust while creating a ball of hot plasma (Diameter: 50 cm). Due to Madara’s purple reiatsu color, this ball of plasma appears to be deep purple instead of usually white, so it may be confused as Cero by beginners. Since this technique requires focus and needs an increased temperature to be created, this technique requires reiatsu usage. The attack varies in strength (amount of damage the opponent receives) and in loading time. It depends on how much of reiatsu Madara used. Faster attacks use little of reiatsu, while the stronger attacks but with slower loading time can do some devastating damage.

Technique Weakness: It can be deflected by mid and high-level Kidou, can be dodged if the opponent is fast enough. The user of this technique can’t use any Kidou for 4 posts after the technique is used. With each usage, the amount of waiting for the Kidou is doubled.

Active Ability II

Heaven and Hell

Heaven

By pointing his arm (with all of his fingers or just index finger) above the opponent and saying a quote from one poem (“The Goddess descends from the sky”), a circle of fire is formed. The circle is one meter above the opponent. Out from the circle, a column of fire descends fast from the sky, towards the opponent.

Hell

By pointing his arm (with all of his fingers or just index finger) beneath the opponent (works even if the opponent is in the air) and saying a quote from one poem (“We seek it thus and take to the sky”), a circle of fire is formed beneath the opponent. In Hell, the effect of the attack is reversed. Out from the circle, a column of fire shoots towards the sky.

For both of the attacks, the height of the fire column is around 50 feet or 15 meters. The speed of these attacks is just a split second of the glow that appears when the circle is formed

Technique Weakness: Uses a moderate amount of reiatsu. Madara is able to use this technique only 8 times.

Active Ability III

Divinity

This active ability changes the color of flames from black to white.  This happens because of the intense heat that increases upon activating this ability.  The hottest of the flames are white. This ability emits white light. It can affect the opponent’s eyesight, but not to such an extent that he /she is blinded completely. This ability also boosts the first passive ability (Coat of Darkness).  Boost is resulted in a wider range of the passive (from 5 meters to 10), in the increase of the temperature around Madara (changes from 70°C to 100°C or 212 F). This increases the chance of affecting the opponent with the first passive (Effects are in the description of the first passive ability). It can disintegrate Kido 60 and below completely as well as Shikai level abilities of my own level and below. Stronger attacks can come through but are still diminished by that amount.

Technique Weakness:  Uses a moderate amount of reiatsu. Can be avoided by just, simply not getting closer.

Hey, it would be better for you to instead post this thread as a suggestion in this thread here rather than create threads without confirmation - I'm in the process of coming up with a guide and set of rules for Zanpakutou creation for the division if you wouldn't mind waiting a bit please.