I have a few. The first one is my favorite.
Name: "Tajigen'orimono" ("Multi-dimensional fabric")
Sealed Appearance: A chipped and beat-up katana.
Shikai Command: "Tawamu, Tajigen'orimono!" ("Warp, Tajigen'orimono")
Shikai Appearance: The blade becomes opaque, and the edge is restored.
Shikai Abilities:
1. Can warp the fabric of spacetime around itself and jump from one point to another. (i.e. Nightcrawler)
2. Can shorten and lengthen the actual fabric of reality, drastically increasing speed even beyond Shunpo.
3. Can use the aforementioned warping to attack from any angle.
Bankai Command: "Magarikuneru, Tajigen'orimono!" ("Bend to Infinity,
Tajigen'orimono!")
Bankai Appearance: The blade becomes transparent, and the blade is lengthened by 3-4 feet.
Bankai Abilities:
1. Can warp the fabric of spacetime around an opponent and create an infinite loop of space, trapping the
opponent.
2. Can fold the dimension repeatedly around the user, creating full copies of the original user. Each can attack at will
with the same abilities as the user.
3. Can interact directly with the superstrings in the 10th dimension, making local reality altering possible.
Avatar Appearance: A floating orb that constantly shifts in height and width. The orb has constantly shifting faces in
it.
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Name:"Kyoumei" "Resonance"
Sealed Form:A kodachi about two feet long with very thin blade and a star handguard.
Shikai Command:"Shindou, Kyoumei!" "Tremor, Kyoumei!"
Shikai Form: The blade turns to a somewhat liquid state (like mercury), and when swung the blade exceeds the sound
barrier, producing a sonic boom (like a whip's crack).
Shikai Abilities: 1.) Sends out a pulse of sound to disrupt the fluids of the inner ear, thus causing nausea, headaches,
and dizziness.
Shikai Abilities: 2.) Sends out radial pulses of sound which then bounce back and tell the user where any object or
people are even when invisible or shunpo'ing.
Bankai Command: "Sonmetsu, Kyoumei!" "Annihilate, Kyoumei!"
Bankai Form: The blade keeps it's liquid form but constantly shortens and lengthens between a blade of five feet
and the normal blade length.
Bankai Abilities: 1.) Uses sound vibrations to resonate the users particles at a higher rate, letting the user move a
massive number of times faster.
Bankai Abilities: 2.) Uses sound vibrations to again resonate the users molecules at a certain speed allowing the user
to move through objects such as weapons or buildings.
Bankai Abilities: 3.) Sends out sound vibrations to harmonize with a target's resonance frequency, thereby making
an object or person shake itself apart.