Cursed Technique: Rubik's Cube
(I couldn't think of a good name. If someone has a good name idea, I'll use it.)
Just a note, a lot of the stuff from this chapter isn't necessary to understand. During the actual fight, I'll try to simplify it all. In extremely simple terms, he can do the following.
Teleport (Basic Application)
Rotate people (A little more Advanced)
Cause a massive Shockwave (Maximum Technique)
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Core Concept:
In orbital mechanics, a Lagrange point is a position where forces balance so that net acceleration equals zero. An object placed there does not "move" unless disturbed. Moving between these Lagrange points is extremely efficient (requires little external force) due to the way gravity.
Kuroda applies this idea to space.
Within the boundary of his cursed energy, space is no longer continuous. It becomes divided into fixed spatial Lagrange Points, which are discrete coordinates where net acceleration is artificially defined as zero.
At any given moment, only one node is allowed to contain his mass.
This allows him to jump between these artificial Lagrange Points, while maintaining his maximum velocity.
The actual external forces that reassign him between points is rooted in the idea of artificial gravitational manifolds constructed through cursed energy.
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Base Application: Discrete Node Displacement
Kuroda generates a 60x60x60 meter grid with himself as the center (perceived as a faint green grid by people with good perception). He needs to rotate one of the faces of his Rubik's cube body to teleport.
The grid is made up of 2x2x2 meter cubes, each of these 2x2x2 meter cubes has a Lagrange Point at the center
Rules:
Only one Node may contain Kuroda's mass at a time.
When he rotates a face of his Rubik's cube body, he invalidates his current Lagrange Point.
A different Lagrange Point becomes valid.
His mass is forcibly reassigned to the newly valid Node.
He keeps the speed he had before teleportation.
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Rotation
Displacement requires physical rotation of his Rubik's cube body. Specifically, he has to rotate the center of his rubik's body. Whether it be the center column or row.
No rotation = No reassignment.
All rotations result in 90 degrees angle changes.
Different rotations correspond to different displacement permissions:
Rotating upward causes the enemy's body to rotate upward. (Body facing the sky, slightly suspended from the ground)
Rotating downward causes the enemy's body to rotate downward. (Body facing the dirt, slightly suspended from the ground).
Rotating left causes the enemy's body to rotate left. (Body still standing up facing the left)
Rotating right causes the enemy's body to rotate right. (Body still standing up facing the right
Revealing One's Hand Binding Vow
When Kuroda explains his technique:
The interval between the time he can activate his technique and rotate his body shortens. Allowing him to spam his technique more often.
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Domain Expansion:
The battlefield is a two-dimensional projection of a Rubik's Cube.
2. No physical contact between the domain user, and target is allowed.
3. The target must navigate the floor to "solve" the cube by aligning all colors to solve the rubix cube correctly.
4. Each movement of the tiles counts as a move.
5. Every move that isn't the most optimal move towards solving the Rubik cube will enact a punishment.
6. Must make a move every 30 seconds, or a forced punishment will be put on you.
7. Punishment: loss of cursed energy equal to one–twentieth of current reserves.
8. Five consecutive incorrect moves result in immediate 25% of total cursed energy being stolen.
9. Failure to act within the allotted time window is treated as an incorrect move.
10. The Domain remains active until the puzzle is solved or the target has 5 consecutive incorrect moves.
Binding Vow: Getting rid of the second rule, he gets rid of the protection he would have in exchange for an extra 40% output. Combined with the 20% output sorcerers get in their own domain (I think megumi said this against Reggie, if I am wrong about this I'll change it) Kuroda gets a total 1.68x multiplier on his cursed energy.
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Maximum Technique
Maximum Technique: God's Number Twentyfold Lagrangian Collapse
In mathematics, God's Number represents the minimum number of moves required to solve a 3×3 cube from any configuration: 20.
This technique weaponizes that constant.
During combat, every displacement leaves behind a previously invalidated node, a coordinate that once satisfied the zero-acceleration constraint but was forcibly stripped of validity.
Under normal conditions, these nodes remain inert.
With this Maximum Technique, the user simultaneously reasserts validity to the last 20 previously occupied nodes.
However only one node may contain the user's mass.
The system now contains 20 active nodes with no assigned mass.
The world tries to satisfy this contradiction.
So it pulls everything within the node area to the center with tremendous force.
After everything is compressed to this center point a rebound force goes out.
Shockwaves are sent out from all the 20 nodes that were activated with this technique. (This happens because of pressure gradient field)