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 :

• Fairy Wings

  Fairy wings that owned by a fairy
• Hanami Lantern

  2011 Hanami Festival - Shine! Reduce damage taken by 15.
• Red Koi
• S54 Ebony Nunchaku

  Increases damage by 7%. Has 20% chance to apply Restriction on enemies who attacks the user for 1 turn.
• Angel Heart (White)

  16% chance to absorb 2% HP of enemy who attack you.
• Flag of the Burning Legion

  Reduce 3% damage taken and 12% chance to absorb 2% HP of enemy who attack you.
• S32 Black Senbu

  Recover HP by 4% and reduces damage received by 3%.
• Purple Mixing Yellow Umbrella
• Universal Backpack

  Increase healing power of scrolls by 100%. Each turn recover 140 HP.
• Senior Kari Bagpack

  Reduce 3% damage taken.
• Golden Torch of Zeus

  Recover 150 HP every turn
• S11 Wood Spirit's Shield

  Increase max. HP by 9% and 20% chance to absorb 3% HP of enemy who attack you.
• Light of Eternal

  Increase Max.HP 3%. Recover 3% SP at the start of every turn.
• Large Wooden Hammer
• Cerberus's Flame

  80% chance to burn enemy who attack user - Reduce 3% HP for 2 turns.
• S78 Wandering Soul

  Recover CP after HP reduction. (Amount: 15% of HP reduction) Recover 15% extra CP when charge.
• Straw Hat

  Increase dodge rate by 3%.
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• S13 Kishu Twin Blades

  Increase accuracy by 8%
• S69 Skull Cloak

  Increases Max. HP by 4%. Restores HP by 4%. Increase attack damage by 6%.
• Aries Taiko

  A magical taiko used in celebrations during the Aries zodiac months. Recovers 50 HP every turn and reduces damage taken by 25.
• Three Ring Magatama

  Increase 2% accuracy.
  Additional 12 HP damage upon all attack.
• Deadwood Pipa
• Dark Cry Raijinco
• Mini Octopus
• S65 Transcendent Flame Wings

  Remnants of a powerful fire spirit. Increases attack damage by 7% and increase 20% Combustion chance. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Soul Capturing Hammer

  Recover self 2% HP, reduce 3% damage taken.