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 :

• S14 Ancient Yabusa Knife

  Increases attack damage 4% and ignore 3% of targets dodge.
• S12 Golden Bujin Ax

  Increase attack damage by 20% but increase damage taken by 12%.
• Scroll: Taiin
• Hanami Taiko

  2011 Hanami Festival - Rhythm! Recover HP & CP by 10 every turn.
• Harvest Treasure Bag

  Reduce damage taken by 140. Recover 5% extra CP when charge.
• Turkey Balloon

  Reduce damage taken by 7%. Recover 10% extra CP when charge.
• Shoguns Badge Gourd

  Increase Max. HP & CP by 3%
• Chakra Message Stick
• S22 Shinnoto Monks Staff

  Increase 4% critical rate and reduces damage received by 4%.
• Mischievous Candy

  Increase accuracy by 3%. Increase healing power of scrolls by 50%.
• S23 Meschiken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• S55 Mirror of Fantasy

  Increases damage by 6% and accuracy by 5%. Has a 7% chance to convert any damage taken to HP.
• Blue Wolf Tail
• Love of coffee

  Prepared with love and empathy. Recovers 100 HP every turn. Increases attack damage by 4%.
• Purple Mixing Yellow Umbrella
• S5 Possessed Koto

  Increase purify chance by 7%. Reduce jutsu CP consumption for 10%. Has 15% Chance to stun target when attack with weapon for 1 turn.
• Tail Hunter Back Item

  Increase max. HP by 3%.
• Trident
• 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.
• Iron Tortoise Shell

  Reduce damage taken by 200.
• Vampire Cloak

  Increase healing power of scrolls by 100.
• Little Shikigami

  Increases accuracy by 5%. Adds 80 damage in all of your attacks.
• Ukon Three Blades
• Bell of Beast

  Recover HP by 3%. 15% chance to absorb 3% HP of enemy who attack you.
• Golden-bound Cudgel
• Hanami Folding Fan

  2011 Hanami Festival - Usagi! Increase dodge rate and critical rate by 3%.
• Mini Goldfish