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 :

• Blue Bird Wings
• Mini Goldfish
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• Osuzu Shinsen

  Ninja Saga 2nd Anniversary Carnival! Increase all attack damage by 5%.
• Extra Large Presents Bag

  A large present bag, but nobody knows what it contains.
• Thorn hammer
• Dragon Crucifix Spear
• Four-Point Shuriken
• Smoothbore Musket

  Increase 10% damage.
  Reduce 3% damage taken.
• Angel Heart (White)

  16% chance to absorb 2% HP of enemy who attack you.
• Spartan Shield

  Restore 100 HP every turn. Reduce damage taken by 5%.
• S3 Energetical Can

  Increase attack damage by 10% and Combustion chance by 18%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Carrot Launcher

  Increase agility by 1. (Easter 2011 Limited Edition)
• Gold Wand

  Ignore 5% targets dodge.
• S1 Angelic Silverware

  Increase dodge rate by 5%. Reduce damage taken by 9%.
• 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.
• Blood Brush

  Increase 3% damage and increase healing power of scrolls by 10%.
• Leopard Cat Tail
• Heart Aura

  Hidden feelings emerges! Recovers 2% of the user's max HP and 100 HP every turn.
• Shadow Umbrella
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• Puppet: Hakuki (7 Days)

  Increase 3% accuracy.
  Reduce 46 HP damage taken.
  Recover 83 HP when each turn start.
• S15 Ancient Seitenken

  Recover CP after HP reduction. (Amount: 16% of HP reduction)
• Purple Mixing Yellow Umbrella
• Stuff Bunny

  Increase Max. HP by 2% and Max. CP by 4%.
• S66 Dark Wings

  Remnants of a powerful dark spirit. Increases attack and critical rate by 4%. Increases accuracy by 5%.
• 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)