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 :

• Star Dawn Harp

  Increases users agility by 1. Recover CP after HP reduction. (Amount: 10% of HP reduction) Recover HP by 2% when being put on a debuff.
• Luckey windmill

  Each turn recover 120 HP and 120 CP.
• First-Aid Kit

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

  Recover 200 HP and 200 CP at the start of every turn but reduce agility by 10.
• Sealing the soul barrel
• Celestial Wood Raijinco
• Carnival Taiko

  Play the Taiko in Ninja Saga Anniversary Carnival! Recover 5 HP and CP at the start of every turn.
• Aboriginal Hunting Set

  Increase accuracy by 5% and Combustion chance 6%.
• S18 Kamimachi Lantern

  Increase 4% critical rate and recover HP by 1%.
• Vertical Light

  Reduce 15 HP damage taken.
• Nightmare Grudge

  Ignore 4% targets dodge.
• Fighting spirit Taiko
• Cornucopia

  Increase healing power of scrolls by 100%. Has 6% chance to convert damage taken to HP positively.
• Sweet Treat

  Increase critical chance by 2% and dodge rate by 3%.
• Zombie Hand

  Increase attack damage by 15%. But each turn reduce 200 HP and 300 CP.
• Golden-bound Cudgel
• Paper Windmill

  Additional 20 HP damage upon all attack.
• Grand Light Gourd

  Increase 3% damage
• Sakon Three Blades
• Mech of Wing

  Reduce damage taken by 10%.
• 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)
• Christmas Wreath

  Increase agility by 1 and Max HP by 1%.
• Ninja Bag

  Increase healing power of scrolls by 20%.
• Love of coffee

  Prepared with love and empathy. Recovers 100 HP every turn. Increases attack damage by 4%.
• Tai Chi Gold Gourd

  Restores HP by 4%. Increase healing power of scrolls by 500%. Reduce target 3% CP on every weapon attack.
• Leopard Cat Tail
• Shishimai Back

  Restores 3% of users max HP.Has 4% chance to convert damage taken to HP positively.