Finally Finished GetBackers and the Last Arc was Act 12 or "Get Back The Lost Time"
Part 3
Akabane likely has
Fate Manipulation (Stated what imagination shows, determines the fate and in context his imaginations could change fate)
Part 11
Akabane has
Spatial Manipulation (Cut a path through the Beltline Erosion as well as Dimensions)
Part 21
Ban has
Spatial Manipulation (Can distort the Beltline's Space)
Part 22
Ginji has possible Resistances to
Spatial Manipulation and
Time Manipulation as Raitei (His Raitei form was stated to have broken through and exists beyond Space Time)
Part 23
Ginji has
Summoning (Can summon Raitei from across Time and Space)
Ban has
Fate Manipulation (Can severe the ties of Fate with his Aesclepius which was used later in the Arc to destroy Archiver's plan of creating a new Future)
Part 29
Ginji has resistance to
Energy Drai
Part 31
Ginji has
Metaphysics Manipulation,
Reality Warping,
Law Manipulation,
Power Nullification (Fought and destroyed Der Kaiser's Undead Monsters in a similar fashion like Ban)
Ban too has
Power Nullification
Part 42
Ginji has
Reactive Evolution (Improved himself just by watching Paul's and Ban's fight)
Part 48
Maria is Transcendental
Part 50
Akabane has
Power Mimicry and
Duplication (Can duplicate his body into countless numbers and learned this just by seeing Kagami)
Part 53
Maria has Homing Attacks
Part 55
Archiver has
Data Manipulation,
Spatial Manipulation,
Time Manipulation,
Reality Warping,
Fate Manipulation,
Information Manipulation,
Law Manipulation,
Magic,
Metaphysics Manipulation,
Soul Manipulation,
Causality Manipulation,
Memory Manipulation,
Nothingness Manipulation,
Creation,
BFR,
Teleportation,
Clairvoyance,
Acausality (Type 4) (Archiver is the one who created the entire reality of GetBackers world and sees it nothing more than datas and created a Fate/path in history for everyone that could not be diverted from and even if diversion happens, the diverted path would ultimately lead to the main path. Can use Houjutsu as well as create the undead immortal monsters in the beltline with no Souls. Archiver disintegrated Makubex and sent him to the Archives with his memory wiped where Makubex could watch and remember everything)
Part 62
Archiver is
Non-Corporeal
Part 63
Akabane has
Regenerationn (Low-High; Regenerated from a drop of Blood), Shadow Manipulation,
Darkness Manipulation (Can attack my manipulating his own shadows and creating darkness),
Acausality (Type 4; Is a Transcendental being)
Part 64
Akabane has
Quantum Manipulation,
Probability Manipulation (His powers work on the same principles as Quantum Uncertainty and as such, if he doesn't believe in something then it won't exist),
Spatial Manipulation,
Portal Creation (Created a Door out of the Illusion reality of Masaki)
Part 68
Archiver is at least High 3-A on a 4D scale for being able to erase the future of the world, Likely Low 2-C as the destruction of Infinity Fortress would collapse Space-Time
Part 69
Ginji has Resistance to
Illusion Creation and
Light Manipulation (Can lolnope Masaki's light attacks and illusion creations)
Part 70
Archiver has
Spatial Manipulation,
Pocket Reality Manipulation (Makubex interfered with the Archiver's system causing Kaoru to be sent and protected inside Hyperspace),
Probability Manipulation (Can Manipulate Probability to create a future that can be different from the main future)
Ginji has
Spatial Manipulation (Can break through the Hyperspace)
Part 71
Archiver has
Biological Manipulation,
Mind Manipulation,
Matter Manipulation,
Quantum Manipulation (Archiver is the one who created the Visible Universe of GetBackers. Was going to unify the minds of Mankind. Can assemble all the Qualia)
Maria and Akabane are Resistant to
Time Manipulation and
Reality Warping (They were stated to come from a different plane of Existence as well as being Transcendental and working under a different flow of Time and Reality)
Part 72
Archiver has
Willpower Manipulation (Was going to unify all the collective Will of Mankind),
Memory Manipulation (was going to create humankind with false memories)
Part 73
Archiver has Ressurectio (Can Ressurect dead people)
Part 75
Transcendentals are stated to surpass life and death and as such Akabane has
Immortality (Type 1 and 5)
Part 76
Ban has
Attack Reflection (Reflected Kagami's attacks which cut his own arm
Part 78
Ginji has
Explosion Manipulation
Part 79
Ginji has
Regenerationn (High; was able to Regen after being turned to sand. Lord of Creation exists as Pure Energy and similar to Kurusu Masaki who can exist as Photons and as such can Regen and reform from any wounds and damages)
Part 83
Akabane has Resistances to
Existence Erasure,
Soul Manipulation,
Metaphysics Manipulation,
Reality Warping,
Law Manipulation,
Information Manipulation,
BFR,
Fire Manipulation (Tanked Ban's Asceplius attack that destroyed Help)
Ban has
Fire Manipulation
Part 85
Akabane has
Non-Corporeal (Can exist as a Non-Corporeal being even after getting erased completely),
Regenerationn (Mid-Godly; Regenerated after Ban erased him on a Metaphysical Level)
Ban has
Reactive Evolution (Evolved against Akabane and created the power to defeat and erase him)
Part 87
Akabane has
Immortality (Type 9; Transcendentals are stated to exist in the Real World where their will powers would create their backup copies in the Virtual Reality of GetBackers. Furthermore, Akabane is completely out of the influence of The Archiver as he is a Brain Trust member in the real world like Professor Makube herself)
Archiver has
Conceptual Manipulation (Type 3),
Life Manipulation,
Biological Manipulation, and many more (Created the GB Virtual World and completely governs every aspect of it including the Physical and Metaphysical)
Part 88
Akabane has
Life Manipulation (Suspended the Life Force of Ban so that he won't be erased at all)
NOTE: The Verse of GetBackers Consists of the Real World as well the Virtual World which was created by the Real World as a "Backup Copy" of the latter's Universe and exists alongside the Real World on a similar Time Axis. As such, there are no higher dimensional beings or anything but however, the Real World is able to influence the Virtual World in many ways.