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 :

• S74 Burning Wings

  Increases attack damage by 4% and Combustion chance by 25%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• S28 Orochi Statue

  Increase attack damage by 4%, and recover HP by 1%.
• Mimosa
• S11 Wood Spirit's Shield

  Increase max. HP by 9% and 20% chance to absorb 3% HP of enemy who attack you.
• Scroll: Messenger

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• S23 Meschiken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Steel Frame Tail
• S32 Black Senbu

  Recover HP by 4% and reduces damage received by 3%.
• Rose Bouquet

  Recover CP by extra 5% per charge
• S51 Enchanted Winged Carapace

  Increases accuracy by 3%. Recover 4% HP at the start of every turn.
• War Flag: World Peace
• Seal Nightmare Wing

  Ignore 4% targets dodge.
• Umiyuki Painted Wood

  Reduce 24 HP damage taken.
• Taoist Spirit Stone

  Increases Max. HP by 3% and Max. CP by 5%. Increase purify chance by 1%.
• S79 Blood Feather

  Has 15% chance to convert damage taken to HP positively.
• Sakura Lucky Cat

  Ignore enemys dodge rate by 4% and increase 3% dodge rate.
• Venom Ghost

  Has 5% chance to convert damage taken to HP positively. Recover HP by 100 every turn.
• Scroll: Tenku
• S63 Stormbringer

  Increases dodge rate by 5%. Has 50% chance to absorb 2% HP of enemy who attack you.
• Virgos Eternal Wings

  Increases agility by 1. Increases users attack damage by 3%.
• Puppet: Hakuki

  Increase 3% accuracy.
  Reduce 46 HP damage taken.
  Recover 83 HP when each turn start.
• Raijin Raijinco
• Tail of Jyubi

  Forged with chakra of the legendary tailed beast, Jyubi. Increase attack damage by 15% but reduce max. CP by 30%.
• Orange Koi
• Leos Recurve Bow

  Increases damage by 4% and dodge rate by 1%.
• Radish Launcher

  It will fly you to the moon! (Easter 2011 Limited Edition)
• First-Aid Kit

  100% of the purchase price will be donated to Japan earthquake relief.