The strongest character in Sword Art Online is Kirito (UW Administrator). At peak Alicization power with access to all Underworld memories and Stacia account — effectively a god within the simulation.

Why Kirito (UW Administrator) Is The Strongest

At peak Alicization power with access to all Underworld memories and Stacia account — effectively a god within the simulation. Their power (Fluctlight / System Access) places them above every other character in Sword Art Online at peak performance.

Top 5 Strongest Sword Art Online Characters

  1. 1

    Kirito (UW Administrator)

    At peak Alicization power with access to all Underworld memories and Stacia account — effectively a god within the simulation.

    Fluctlight / System Access
  2. 2

    Administrator

    The Pontifex who rules the Underworld. Absorbed 300+ years of sword skills. Near-omnipotent within her domain.

    Perfect Weapon Control
  3. 3

    Eugeo (peak)

    Kirito's partner. Blue Rose Sword + Perfect Weapon Control at full release. Sacrificed himself at maximum power.

    Blue Rose Sword
  4. 4

    Alice

    Integrity Knight and eventual Underworld protector. Osmanthus Blade techniques of extraordinary precision.

    Osmanthus Blade
  5. 5

    Kirito (SAO / GGO)

    Top 1% player in every game he enters. Dual-wielding in SAO is a unique skill granted to the fastest player.

    Dual Blades / SAO Skills

Full Sword Art Online Tier List

  1. 1

    Kirito (UW Administrator)

    At peak Alicization power with access to all Underworld memories and Stacia account — effectively a god within the simulation.

    Fluctlight / System Access
  2. 2

    Administrator

    The Pontifex who rules the Underworld. Absorbed 300+ years of sword skills. Near-omnipotent within her domain.

    Perfect Weapon Control
  3. 3

    Eugeo (peak)

    Kirito's partner. Blue Rose Sword + Perfect Weapon Control at full release. Sacrificed himself at maximum power.

    Blue Rose Sword
  4. 4

    Alice

    Integrity Knight and eventual Underworld protector. Osmanthus Blade techniques of extraordinary precision.

    Osmanthus Blade
  5. 5

    Kirito (SAO / GGO)

    Top 1% player in every game he enters. Dual-wielding in SAO is a unique skill granted to the fastest player.

    Dual Blades / SAO Skills
  6. 6

    Heathcliff / Kayaba

    The creator of SAO playing as the final boss. Invincibility skill that triggers at critical HP.

    Cardinal System / Invincibility
  7. 7

    Asuna

    Lightning Flash — fastest rapier user in SAO. Sub-leader of the Knights of the Blood guild.

    Rapier / Linear
  8. 8

    Sinon

    GGO's top sniper. Cold precision and spatial awareness unmatched in ranged combat.

    Hecate II Sniper
  9. 9

    Leafa

    Kirito's sister. ALO's top sylph player. Exceptional aerial combat.

    Wind Magic / Aerial
  10. 10

    Klein

    Kirito's loyal friend. Samurai class with Iaido techniques.

    Samurai Skills