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 :

• Luckey windmill

  Each turn recover 120 HP and 120 CP.
• S11 Tensho Compass

  Increase attack damage by 4%, and recover HP by 1%.
• S39 Spike Hammer

  Increase accuracy by 10% but reduce max. HP by 10%.
• S64 Twin Pinnacle Spear

  Powerful spears that can pinpoint enemy's weaknesses. Increases accuracy by 12%. But reduce self dodge rate by 5%.
• 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.
• Hanami Folding Fan

  2011 Hanami Festival - Usagi! Increase dodge rate and critical rate by 3%.
• Flag: Dragon Symbol
• Soul Capturing Hammer

  Recover self 2% HP, reduce 3% damage taken.
• Sakura Straw Hat

  Recovers 2% of users max HP every turn.
• Yawata Magatama

  Increase 3% accuracy.
  Additional 20 HP damage upon all attack.
• Paper Envoy of God

  Increases attack damage and reduces damage received by 4%
• Hanami Fan

  Ignore 4% targets dodge and increase max. HP by 2%.
• Tail of Jyubi

  Forged with chakra of the legendary tailed beast, Jyubi. Increase attack damage by 15% but reduce max. CP by 30%.
• Screw Pattern Skis
• Tai Chi Gold Gourd

  Restores HP by 4%. Increase healing power of scrolls by 500%. Reduce target 3% CP on every weapon attack.
• Bell of Fortune

  6% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• S15 Seitenken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Ninja Postman Bag

  Increase healing power of scrolls by 50%.
• Shadow Umbrella
• Senior Kari Bagpack

  Reduce 3% damage taken.
• Orange Koi
• Red Shuriken Skis
• Ghost Spider

  Reduce 72 HP damage taken.
• Leopard Cat Tail
• Ferret Tail
• Smart Phone
• Shadow Twin Blades