Nephthys

Toaru Majutsu no Index · Light Novels · Magic God

Base

Tier: HIGH 1-C
Attack Potency: High Complex Multiverse Level
Speed: Sub-Relativistic
Durability: High Complex Multiverse Level

Under Zombie's Spell

Tier: HIGH 1-C
Attack Potency: High Complex Multiverse Level
Speed: Sub-Relativistic
Durability: High Complex Multiverse Level

After Aleister's Hijacking Spell

Tier: 5-B, up to HIGH 1-C
Attack Potency: Planet Level, up to High Complex Multiverse Level
Speed: Sub-Relativistic
Durability: Planet Level

Powers and abilities

Superhuman Physical Characteristics
Immortality (Types 1 & 3) & Regeneration (Mid, possibly up to High)
Self-Sustenance (Types 1 & 2; Magic Gods can traverse the vacuum of space and live without eating in locations that lack food such as the Hidden World and the 'New World')
Magic
Phase Manipulation, achieving:
Law Manipulation (They have full manipulation over the Laws of the world)
Time Manipulation (Shown here)
Spatial Manipulation & Teleportation
Matter Manipulation
Energy Manipulation
Elemental Manipulation
Causality Manipulation
Necromancy
Probability Manipulation & Fate Manipulation (Shown here)
Sensory Manipulation
Physics Manipulation (Can change the laws of nature)
Death Manipulation
Mathematics Manipulation
Durability Negation
More
Void Manipulation (Can exist in non-existent places)
Transformation (Can turn her body into sand)
Vibration Manipulation, Empathic Manipulation, Transmutation, and Statistics Amplification (Her cries can cause matter to vibrate and turn to ash, manipulate emotions, and amplify the power of magic)
Water Manipulation
Limited Power Bestowal (Can allow humans to survive in space without the necessary things they would ordinarily need to stay alive)
Mind Manipulation, Soul Manipulation, and Madness Manipulation (Type 3)
Superhuman Physical Characteristics
Immortality (Types 1 & 3) & Regeneration (At least Mid; Can recover from her torso, heart, or brain being destroyed; possibly High-Mid; As a much weaker part of her containing 1% of her existence managed to recreate her body from some secondary organs)
Self-Sustenance (Types 1 & 2; Magic Gods can traverse the vacuum of space and live without eating in locations that lack food such as the Hidden World and the 'New World')
Magic
Phase Manipulation, achieving:
Law Manipulation (They have full manipulation over the Laws of the world)
Time Manipulation (Shown here)
Spatial Manipulation & Teleportation
Matter Manipulation
Energy Manipulation
Elemental Manipulation
Causality Manipulation
Necromancy
Probability Manipulation & Fate Manipulation (Shown here)

Weaknesses

Her tears have to be visible to the enemy to manipulate them | Same as before | Same as before, plus she has lost most of her access to her Reality Warping powers and the abilities derived from that, being only able to use them once

Ranked tied for #2 of 196 in Toaru Majutsu no Index by strength.

Close fights from other series

Nephthys vs Azmuth (Ben 10 · Tier 1-B): Azmuth · Favored
Nephthys vs ZeedGarurumon (Digimon · Tier HIGH 1-C): ZeedGarurumon · Slight edge
Nephthys vs Viral (Tengen Toppa Gurren Lagann · Tier HIGH 1-C): Viral · Slight edge
Nephthys vs The Spectre (CW) (DC · Tier HIGH 1-C): Too close to call
Nephthys vs Lux Imperator (Doctor Who · Tier HIGH 1-C): Nephthys · Slight edge
Nephthys vs Aurora (Archie Comics) (Sonic · Tier 1-C): Nephthys · Slight edge
Nephthys vs The Great Holy Spirit (Tensei Shitara Slime Datta Ken · Tier 1-C): Nephthys · Slight edge
Nephthys vs Kama (Fate) (Nasuverse · Tier 1-C): Nephthys · Slight edge

Compare Nephthys with another character · Nephthys on the VS Battles Wiki