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 :

• Mother's Hug (II)

  Recover 150 HP and 3% HP at the start of every turn.
• Decorative Rope
• Roasted Turkey

  Restore 20 HP every turn.
• S56 Curse Brush

  A legendary Ink Brush that has the ability to materialize drawings. Increase critical rate by 5% and accuracy by 6%.
• Blue Wolf Tail
• Smoothbore Musket

  Increase 10% damage.
  Reduce 3% damage taken.
• Chakra Message Stick
• Nutcracker

  Increases Max. HP by 4% and damage by 3%.
• Christmas Wreath

  Increase agility by 1 and Max HP by 1%.
• Stuff Bunny

  Increase Max. HP by 2% and Max. CP by 4%.
• S82 Amethyst Skull

  Increase purify chance by 5%. Recover 15% extra CP when charge.
• Businessman Luggage
• Shinobi Curse Battle Umbrella
• Puppet: Hakuki

  Increase 3% accuracy.
  Reduce 46 HP damage taken.
  Recover 83 HP when each turn start.
• S25 Musha Pipa

  Increase 4% critical rate and ignore 4% targets dodge.
• Sealed Wood

  A back item which lost the original effectiveness.
• S70 Magical Cobweb

  Restores CP by 3%. 30% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Bell of Fortune

  6% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• S78 Wandering Soul

  Recover CP after HP reduction. (Amount: 15% of HP reduction) Recover 15% extra CP when charge.
• Folding Fan: Shino
• Dark Cry Raijinco
• Flag of the Burning Legion

  Reduce 3% damage taken and 12% chance to absorb 2% HP of enemy who attack you.
• Angel Wings

  Increase 3% attack damage and ignore 3% targets dodge.
• Decorate Battle Umbrella
• S46 Holy Drum

  Reduce damage taken by 4%. Increase chance to restrict enemy for 1 turn by 20%. Targets with “Restriction” will not be able to use any skills.
• S34 Wooden Name Tag

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Prestige Purple Dragon

  Increase attack damage by 5%. Recover 100 HP at the start of every turn.