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 :

• Sakura Fan

  Recover 20 HP and 150 CP at the start of every turn.
• Merlins Magical book

  Increases attack damage 5%
• Rose Bouquet

  Recover CP by extra 5% per charge
• Decorative Rope
• Hidden Green Umbrella
• Father's Heart (II)

  Reduce damage taken by 7%. Reduce damage taken by 150.
• Sakura Dance

  Increase damage by 3% and max. HP by 4%.
• S8 Sign of Corruption

  Wings with an ominous aura. Increases agility by 3.
• Heian-kyo Shamisen
• Swordfish
• Angel Heart (Black)

  Reduce target 8% CP on every weapon attack.
• Brilliant Stock Pot

  Increase max. HP by 8% and purify chance by 2% but reduce max. CP by 8%.
• Orange Kikyo Skis
• MegaJingleBell

  A glorious Christmas artifact which can be used in battle. Ignores 5% of enemys dodge rate. Recovers 2% of users max HP every turn.
• S47 Kami's Blessing

  Increase critical chance 6% and critical damage 10%.
• Poor Bag

  7% chance to convert damage taken to HP positively. Reduce damage taken by 5%.
• Paper Envoy of God

  Increases attack damage and reduces damage received by 4%
• Ichimoku Gourd
• Three-stringed Lute Guitar
• Iron Tortoise Shell

  Reduce damage taken by 200.
• 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.
• Carrot Launcher

  Increase agility by 1. (Easter 2011 Limited Edition)
• Fairy Fishing Rod

  Each turn recover 3% HP and 100 CP
• Water Energy Skis
• Love Ribbon

  Additional 40 HP damage upon all attack.
• S52 Gold Dragon Scroll

  Reduce damage taken by 7%. Ignore targets dodge rate by 5%.
• Blood Brush

  Increase 3% damage and increase healing power of scrolls by 10%.