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 :

• S2 Solar Aura

  Increase agility by 3 and accuracy by 7% .
• Umiyuki Painted Wood

  Reduce 24 HP damage taken.
• Scroll: Grassland
• S16 Umbra Steel Wheel

  Reduce damage taken by 270.
• Ninja Bunny Doll

  Increase 2% damage and ignore 3% targets dodge.
• 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.
• Griffin Thunderball

  Increases critical rate by 3% and dodge rate by 3%.
• Lucky Chess

  Has 5% chance to freeze enemy who attacks user (3 turn). Frozen target cannot move but damage taken is reduced by 80%. Each turn recover 100 HP and 100 CP.
• Chakra Message Stick
• Folding Fan: Shino
• Orange Kikyo Skis
• Ame no Kemagatama

  Increase 3% accuracy.
  Additional 30 HP damage upon all attack.
• S18 Kamimachi Lantern

  Increase 4% critical rate and recover HP by 1%.
• S71 Magic Clock

  Increases Max. CP by 10%. Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Beast Mace
• Red Koi
• Shoguns Badge Gourd

  Increase Max. HP & CP by 3%
• Gruidae Wing

  Each turn recover 80 CP. Recover CP after HP reduction. (Amount: 8% of HP reduction)
• Grave of the Undying

  Increase purify chance by 8%, but decrease agility by 15.
• Screw Pattern Skis
• Sakura Gold Jewellery

  Increases users agility by 1. Restores 3% of users max HP. Has 6% chance to convert damage taken to HP positively.
• S12 Ancient Blood Evil Gourd

  Increase max. HP by 5%. But reduce Max.CP by 1%.
• Mini Scroll
• Ninja Snowman

  3% chance to convert damage taken to HP positively.
• Ichimoku Gourd
• S42 Tendo Tips

  Increases attack damage and reduces damage received by 5%.
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.