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 :

• Master Scroll

  Restores HP & CP by 3%.
• Charming Aura (Black)

  2012 Valentines day limited aura, increase critical chance 2%.
• S30 Sword Tattoo Ring

  Increase 4% critical rate and ignore 4% targets dodge.
• Successor Fan

  Restores HP & CP by 2%. Has 7% chance to freeze enemy who attacks user (2 turn). Frozen target cannot move but damage taken is reduced by 80%.
• S78 Wandering Soul

  Recover CP after HP reduction. (Amount: 15% of HP reduction) Recover 15% extra CP when charge.
• Ninja Postman Bag

  Increase healing power of scrolls by 50%.
• S12 Golden Bujin Jitte

  Increase dodge rate by 10%.
• Red Ukiyo-e Kite

  4% chance to convert damage taken to HP positively and increase max. HP by 2%.
• Gummy Bear

  Restores CP by 2%. Reduce damage taken by 100.
• Wind Storm Raijinco
• Three Ring Magatama

  Increase 2% accuracy.
  Additional 12 HP damage upon all attack.
• Ninjas Stocking

  Increase 5% Combustion chance and attack damage by 3%.
• Tai Chi Gold Gourd

  Restores HP by 4%. Increase healing power of scrolls by 500%. Reduce target 3% CP on every weapon attack.
• S14 Profound Tentacles

  35% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• Sack of Hearts

  Cupids sack of hearts. Recovers 3% HP every turn. Has 5% chance to convert any damage to HP.
• Ninja Bunny Doll

  Increase 2% damage and ignore 3% targets dodge.
• Rose Cloak

  Restores 80 CP at the start of every turn. Converts 8% of damage taken into CP.
• S58 Scroll of Shadows

  Increases damage by 6% and dodge rate 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)
• Raijin Raijinco
• Blue Shell
• Heian-kyo Shamisen
• Three-stringed Lute Guitar
• Puppet: Hakuki (7 Days)

  Increase 3% accuracy.
  Reduce 46 HP damage taken.
  Recover 83 HP when each turn start.
• S15 Frozen Huge Sword

  Recupera 26% extra CP en cada recarga.
• Love Missile

  Additional 60 HP damage upon all attack.
• S83 Four Wings

  Increase dodge rate by 8%.