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 :

• Scroll and Blade

  Has 11% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills. Increase critical rate by 5%. 8% chances of using Jutsu without CP.
• Wooden Hammer
• Dual Blade of Fire

  Increase 3% damage made, recover self 2% HP each turn.
• Scroll: Messenger (3 Days)

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• Great Wooden Hammer (7 Days)

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• S79 Blood Feather

  Has 15% chance to convert damage taken to HP positively.
• Poor Bag

  7% chance to convert damage taken to HP positively. Reduce damage taken by 5%.
• Mini Scroll
• Nightmare Grudge

  Ignore 4% targets dodge.
• White Metal Hammer
• Sakura Lucky Cat

  Ignore enemys dodge rate by 4% and increase 3% dodge rate.
• Father's Heart

  Reduce damage taken by 6%.
• S77 Curse Dragon

  Increases attack damage by 9% and critical damage 10%.
• Tailed Beast Chakra Crystal

  Increase 3% damage.
  Reduce 3% damage taken.
  Recover 2% HP each turn start.
• S11 Wood Spirit's Bow

  Increase critical chance 13%.
• Charming Aura (Pink)

  2012 Valentines day limited aura, reduce damage 2%.
• Trident
• Black Silver Electric Guitar
• Love of coffee

  Prepared with love and empathy. Recovers 100 HP every turn. Increases attack damage by 4%.
• Mirror of Shamisen
• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• Assault Kite

  Recover 100 HP and 80 CP at the start of every turn.
• Bat Back Item

  Back item design with reference from Halloween - Bats. Increase 5% dodge rate and decrease damage 5% at the same time.
• Minotaurs Horn

  Recover 350 HP at the start of every turn. Has 15% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• S13 Slaughter Giant Axe

  Increase max.HP by 20% but reduce max. CP by 35%.
• Extra Large Presents Bag

  A large present bag, but nobody knows what it contains.
• S29 Yanki Protective Magatama

  Increase accuracy by 8%