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 :

• Champion Cup!

  Ultimate prize for Champions.
• S8 Underworld Bulwark

  A phantom shield with demon soul. Reduce damage taken by 10%.
• Carnival Taiko

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

  Increase 5% Combustion chance and attack damage by 3%.
• Clouds And Mist Raijinco
• Leopard Cat Tail
• Stuff Bunny

  Increase Max. HP by 2% and Max. CP by 4%.
• Native Horn

  Increase max. CP by 3%, Recover 1% HP with every Charge.
• S68 Supreme Faerie Wings

  Recover 20% extra CP when charge. Has 10% chance to convert damage taken to HP positively.
• Cancer Assegai

  Increases critical rate by 4%. Reduce damage taken by 3%.
• Scroll: Tenku
• Three Ring Magatama

  Increase 2% accuracy.
  Additional 12 HP damage upon all attack.
• Lovely Santa Bag

  A bag that resembles Santa Claus, it emanates faint revitalizing aura. Restores 140 HP and 30 CP at the start of every turn.
• Sealing Pot

  Increases Max. HP by 4% and recover 3% HP at the start of every turn.
• Scarlet Sword Wheel

  Increases damage by 5% and dodge rate by 3%.
• Matsuyama Fan

  Ignore enemys dodge rate by 6%.
• Griffin Thunderball

  Increases critical rate by 3% and dodge rate by 3%.
• Leos Recurve Bow

  Increases damage by 4% and dodge rate by 1%.
• Huginn & Muninn

  Reduce 4% damage taken. Has 10% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Sagittarius Hunting Set

  Increases dodge rate by 4%. Additional 80 HP damage on all attacks.
• Dual Blade of Fire

  Increase 3% damage made, recover self 2% HP each turn.
• Harvest Treasure Bag

  Reduce damage taken by 140. Recover 5% extra CP when charge.
• Axe Hammer suit

  Increases damage and accuracy by 6%. Recover 50 HP at the start of every turn.
• Scroll: Sun of Campaign
• S23 Meschiken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Egg Hunter Basket

  Increase 6% accuracy. (Easter 2011 Limited Edition)
• Christmas Trumpet

  Ignore enemys dodge rate by 4% and recover 3% CP with every charge.