You might as well compare with these Back Items so you can decide which Back Items you're gonna use for ninja Saga Pvp or in Hunting House for easier killing the boss or your opponent in ninja saga PvP
These Back Items might have better effect . Here we go :

• S10 Ancient Kikyo Umbrella

  6% chance to convert damage taken into health. But reduce Max.CP by 2%.
• Aboriginal Hunting Set

  Increase accuracy by 5% and Combustion chance 6%.
• Screw Pattern Skis
• Scroll and Blade

  Has 11% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills. Increase critical rate by 5%. 8% chances of using Jutsu without CP.
• Wings of Eternal Eclipse

  Increases critical chance by 3%. Ignores 6% of the targets dodge rate.
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• Magical Wreath

  Recover HP by 2% and reduce 4% damage taken.
• Scroll: Terminated Rock
• S53 Frostfire Soul

  Increases combustion chance by 15%. Has a 10% chance to freeze enemies who attacks the user for 1 turn. Frozen targets cannot act but takes 80% reduced damage.
• Holiday Doll

  Expecting Santa in every year! Critical and dodge rate increase 3%.
• Scroll: Posion Attack
• Yawata Magatama

  Increase 3% accuracy.
  Additional 20 HP damage upon all attack.
• Raijin Raijinco
• Prestige Purple Dragon

  Increase attack damage by 5%. Recover 100 HP at the start of every turn.
• Scroll: Guren
• Stuff Bunny

  Increase Max. HP by 2% and Max. CP by 4%.
• Ocean Ring

  Increase 1% accuracy.
  Additional 2 HP damage upon all attack.
• Sakura Straw Hat

  Recovers 2% of users max HP every turn.
• Cupid Wing

  Increase critical chance 4% and critical damage 10%.
• Soul Capturing Hammer

  Recover self 2% HP, reduce 3% damage taken.
• Hide Guitar
• Turkey Balloon

  Reduce damage taken by 7%. Recover 10% extra CP when charge.
• Big Cheese

  Recover CP after HP reduction. (Amount: 10% of HP reduction)
• Wooden Hammer
• Folding Paper Fan
• Victorious Crown

  Increases accuracy by 4% and recover HP by 3%. Has 13% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• S70 Magical Cobweb

  Restores CP by 3%. 30% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.