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 :

• GM Goldfish

  GM Goldfish
• Puppet: Spider
• Ishiyama Lantern

  Reduce damage taken by 49.
• Ritual Taiko
• Scroll: Tenku
• Mini Scroll
• Ramen Shop Lantern
• War Flag: World Peace
• Heian-kyo Shamisen
• Giant Copper Coins

  Increase Mission gold reward by 30%.(Mission Only)
• Force of Taotie

  Reduce damage taken by 7%.
• Hidden Green Umbrella
• Gunbai: World Peace
• Jaws

  Ignore 4% targets dodge.
• Apple Candy

  Increases damage by 5%. Has 3% chance to convert damage taken to HP positively.
• Scroll: Sun of Campaign
• Shoe of Bounty

  Increase dodge rate and critical rate by 4%.
• S7 Gorgeous Butterfly

  Increase agility by 2. Recover 20% extra CP when charge.
• Green Koi
• MegaJingleBell

  A glorious Christmas artifact which can be used in battle. Ignores 5% of enemys dodge rate. Recovers 2% of users max HP every turn.
• Paper Windmill

  Additional 20 HP damage upon all attack.
• S65 Transcendent Flame Wings

  Remnants of a powerful fire spirit. Increases attack damage by 7% and increase 20% Combustion chance. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Zombie Hand

  Increase attack damage by 15%. But each turn reduce 200 HP and 300 CP.
• S15 Seitenken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Evil Way Lute

  Has a 50% chance to recover 5% of maximum HP. Has 10% chance to absorb 3% HP
• S26 Bashosen

  Increase 10% Combustion chance.
• Force of Taowu

  Increases Max. HP by 4% and Max. CP by 4%.