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 :

• Father's Heart

  Reduce damage taken by 6%.
• S12 Golden Bujin Jitte

  Increase dodge rate by 10%.
• Scroll: Yinyang Seal
• Matsuyama Fan

  Ignore enemys dodge rate by 6%.
• Firefox Tail
• Bear of Affection

  Increase dodge rate by 3% and ignore target dodge by 3%.
• Sakon Three Blades
• S9 Warring Empire Guarding Bow

  An ancient enchanted bow with great range used in warfare. Increases accuracy by 10%. Restore 100 HP every turn.
• Three Ring Magatama

  Increase 2% accuracy.
  Additional 12 HP damage upon all attack.
• Ocean Ring

  Increase 1% accuracy.
  Additional 2 HP damage upon all attack.
• Roasted Turkey

  Restore 20 HP every turn.
• S33 Book of Fate

  Increase Max. HP & CP by 4%
• Flour Stick
• Celestial Wood Raijinco
• S8 Sign of Corruption

  Wings with an ominous aura. Increases agility by 3.
• Giant Copper Coins

  Increase Mission gold reward by 30%.(Mission Only)
• S8 Scroll of Golden Snake

  Increase all attack damage by 4%. Decrease damage taken by 4%.
• S18 Evil Spirit Shield

  Reduce 14% damage taken.
• Puppet: Hakuki (7 Days)

  Increase 3% accuracy.
  Reduce 46 HP damage taken.
  Recover 83 HP when each turn start.
• S8 Underworld Bulwark

  A phantom shield with demon soul. Reduce damage taken by 10%.
• Karasu Miya Falcon

  Increase dodge rate by 6%.
• 2011 Fortune Lantern

  Ninja Saga 2nd Anniversary Carnival!
• S34 Wooden Name Tag

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Ghost Spider

  Reduce 72 HP damage taken.
• Toxic Village Poison Potion
• Scroll: Grassland
• Knot of Avenger

  20% chance to absorb 2% HP of enemy who attack you. 20% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.