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 :

• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• Fairy Fishing Rod

  Each turn recover 3% HP and 100 CP
• Spinning Wheel

  Recover user's max HP by 1% each turn. Increases user's max CP by 2%. Converts 10% of damage taken into CP.
• Cancer Assegai

  Increases critical rate by 4%. Reduce damage taken by 3%.
• Carrot Launcher

  Increase agility by 1. (Easter 2011 Limited Edition)
• S35 Mini Teiko

  Increase agility by 1 and ignore enemys dodge rate by 2%.
• Frost Soul Electric Guitar
• Love Missile

  Additional 60 HP damage upon all attack.
• Scroll: Tenku
• S60 Amber Jewel Wings

  Increases attack damage by 10% and increase 5% Combustion chance.
• S26 Bashosen

  Increase 10% Combustion chance.
• Yatai Lantern
• Mace of Pandemonium

  Increases attack damage by 6%. Has 4% chance to convert damage taken to HP positively.
• Water Energy Skis
• Mini Scroll
• Magical Wreath

  Recover HP by 2% and reduce 4% damage taken.
• Sakura Gold Jewellery

  Increases users agility by 1. Restores 3% of users max HP. Has 6% chance to convert damage taken to HP positively.
• Paper Envoy of God

  Increases attack damage and reduces damage received by 4%
• GM Goldfish

  GM Goldfish
• Scroll: Genbu
• Universal Backpack

  Increase healing power of scrolls by 100%. Each turn recover 140 HP.
• S2 Scroll Capsule

  Increase attack damage by 8%. Recover 7% cp after dealing damage.
• S83 Four Wings

  Increase dodge rate by 8%.
• S13 Kishu Twin Blades

  Increase accuracy by 8%
• Red Shell
• S33 Book of Fate

  Increase Max. HP & CP by 4%
• Hanami Folding Fan

  2011 Hanami Festival - Usagi! Increase dodge rate and critical rate by 3%.