[Ground] Attack: The Prisoner performs a 3 hit sword slash combo.
- This Potential enhances the starting weapons. (This Potential is a catalyst for all of the weapons in Weapon Backpack I.)
- Frantic Sword: Attack: The Prisoner's Attack combo now is a 5 hit combo. If The Prisoner's HP is below half of his Max HP or Tactical Healing is active, his Attacks will deal a Critical Hit.
- 『α Enhancement』Poison Flame Strike: Frantic Sword attacks now apply Burn and Poison on hit. Additionally, enemies in the Abnormal State will always take Critical Hits from the Frantic Sword.
- 『β Enhancement』Assassin's Dagger: Frantic Sword > Up + Attack: During Frantic Sword, pressing Up + Attack will cause The Prisoner to perform a 4 hit combo that turns enemies around. Additionally, The Prisoner deals Critical Hits when attacking enemies from behind.
- Frantic Sword > Up + Hold Attack: The Prisoner leaps forward and performs a rising slash. The Prisoner has Invulnerability Frames while using this attack.
- Dash > Up + Hold Attack: The Prisoner will leap forward and perform an upward slash. The Prisoner has Invulnerability Frames while using this attack.
- 『β Enhancement』Parrying Blade: Frantic Sword > Down + Attack: The Prisoner will gain Super Armor while performing a 4 hit slashing combo, then a thrust that blocks damage. The 4th slash can break enemy Super Armor. Additionally, The Prisoner deals Critical Hits to Bosses.
- Dash > Down + Hold Attack: The Prisoner will perform the thrusting attack from Parrying Blade.
- Frantic Sword > Down + Hold Attack: The Prisoner will perform the thrusting attack from Parrying Blade.
- 『γ Enhancement』Blitz Slash: Frantic Blade > Hold Attack: The Prisoner performs a long-range slash that always deals a Critical Hit.
- Hold Dash + Hold Attack: The Prisoner immediately performs Blitz Slash.
- Frantic Sword: Attack: The Prisoner's Attack combo now is a 5 hit combo. If The Prisoner's HP is below half of his Max HP or Tactical Healing is active, his Attacks will deal a Critical Hit.
Hidden Effects
- (Backpack I α and β Enhancements): Frantic Sword: All attacks of Frantic Sword will now deal Critical Hits to enemies facing away from The Prisoner.
- (Backpack I α, β, and γ Enhancements, Skill Backpack II: Tonic α, β, and γ Enhancements): While Cursed, Frantic Sword and Potentials derived from it will deal Devastating Critical Hits.
- (Backpack I α and β Enhancements): Assassin's Dagger: The Assassin's Dagger will now deal Critical Hits to enemies inflicted with the Abnormal State or if they're below 50% health.
- (Backpack I α, β, and γ Enhancements): Assassin's Dagger: Assassin's Dagger now gives The Prisoner Invulnerability Frames.
- (Backpack I α, β, and γ Enhancements, Backpack II Weapons, Triple Dash, and Universal Enhancement: Synced Attack Potentials): Assassin's Dagger: Up + Hold Attack will now give The Prisoner Invulnerable Dodge Frames.
- (Backpack I β and γ Enhancements): Parrying Blade: Parrying Blade now reduces oncoming damage by X%.
- (Backpack I α and β Enhancements): Parrying Blade: The Parrying Blade now deals Critical Hits after successfully blocking damage.
- (Backpack I α, β, and γ Enhancements): Parrying Blade: Parrying Blade now deals Enhanced Critical Hits to Bosses.
- (Backpack I α, β, and γ Enhancements): Parrying Blade: Critical Hits after blocking damage with Parrying Blade now deal Enhanced Critical Hits.
- (Backpack I α, β, and γ Enhancements, Backpack II Weapons, Triple Dash, and Universal Enhancement: Synced Attack Potentials):The final hit of Parrying Blade and the Frantic Sword > Down + Hold Attack follow-up now give The Prisoner Dodge Frames.
- (Backpack I β and γ Enhancements, Backpack II Weapons, and Triple Dash): Frantic Sword > Down + Hold Attack now deals Critical Hits during Dash Attack.
- (Backpack I γ Enhancements, Backpack II Weapons, and Triple Dash):Blitz Slash: Blitz Slash now gives The Prisoner Dodge Frames.