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 :

• Huginn & Muninn

  Reduce 4% damage taken. Has 10% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• S11 Wood Spirit's Bow

  Increase critical chance 13%.
• Yawata Magatama

  Increase 3% accuracy.
  Additional 20 HP damage upon all attack.
• Sakura Fan

  Recover 20 HP and 150 CP at the start of every turn.
• Mini Scroll
• GM back item
• S61 God Dragon Flag

  Increase critical rate by 6%. Has 20% chance to apply Restriction on enemies who attacks the user for 1 turn.
• S10 Frostguard's Shield

  Shield of the valiant warrior Tundra. Increase agility by 2. Has 17% Chance to stun target when attack with weapon for 1 turn.
• Stuff Bunny

  Increase Max. HP by 2% and Max. CP by 4%.
• Tail Hunter Back Item

  Increase max. HP by 3%.
• Sakura Lantern

  Increase Combustion chance by 10%.(Minimum requirement of 1 Attribute Point in Fire to activate combustion effect). Has 10% chance to absorb 2% HP of enemy who attack you.
• S72 Hero Twin Axe

  Increase 12% Combustion Chance and recover 3% HP at the start of every turn. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Ultimate Taiko

  Recover 120 HP at the start of every turn. Has 15% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• S13 Kishu Twin Blades

  Increase accuracy by 8%
• S62 Black Steel Swords

  Restores 5% of users max HP.
• Apricot Pipa
• Poor Bag

  7% chance to convert damage taken to HP positively. Reduce damage taken by 5%.
• Sack of Hearts

  Cupids sack of hearts. Recovers 3% HP every turn. Has 5% chance to convert any damage to HP.
• Folding Paper Fan
• Tail of Hachibi

  Forged with chakra of the legendary tailed beast, Hachibi. Increase critical chance by 15% but reduce max. HP by 20%.
• Red Koi
• S2 Scroll Capsule

  Increase attack damage by 8%. Recover 7% cp after dealing damage.
• Village Red Lantern
• Chakra Kanawa

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Umiyuki Painted Wood

  Reduce 24 HP damage taken.
• S48 Titans Hammer

  The hammer used by titans to destroy castles in ancient times. Increases attack damage by 8% and accuracy by 5%.
• Togatsuki Paper Fan

  Increase max. CP by 10%.