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 :

• Karasu Miya Falcon

  Increase dodge rate by 6%.
• Ichimoku Gourd
• Radish Launcher

  It will fly you to the moon! (Easter 2011 Limited Edition)
• Ninja Bunny Doll

  Increase 2% damage and ignore 3% targets dodge.
• S23 Meschiken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Native Drum

  5% chance to convert damage taken to HP positively.
• Spiked Blade

  Increases dodge and critical chance by 4%. Recovers 70 HP each turn.
• S68 Supreme Faerie Wings

  Recover 20% extra CP when charge. Has 10% chance to convert damage taken to HP positively.
• Stuff Bunny

  Increase Max. HP by 2% and Max. CP by 4%.
• S9 Warring Empire Guarding Bow

  An ancient enchanted bow with great range used in warfare. Increases accuracy by 10%. Restore 100 HP every turn.
• S1 Angelic Silverware

  Increase dodge rate by 5%. Reduce damage taken by 9%.
• Trident
• 2011 Fortune Lantern

  Ninja Saga 2nd Anniversary Carnival!
• S48 Titans Hammer

  The hammer used by titans to destroy castles in ancient times. Increases attack damage by 8% and accuracy by 5%.
• Christmas Bag

  Reduce damage taken by 10.
• Sealing Pot

  Increases Max. HP by 4% and recover 3% HP at the start of every turn.
• Ultimate Taiko

  Recover 120 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.
• Paper Windmill

  Additional 20 HP damage upon all attack.
• Musashi Twin Blades
• Light Cry Raijinco
• Sakura Rain Battle Umbrella
• Big Cask

  Increase max.HP by 15% but reduce max. CP by 5%.
• S59 Rejuvenating Blade Wings

  Increases Max. HP by 6% and Max. CP by 4%.
• S82 Amethyst Skull

  Increase purify chance by 5%. Recover 15% extra CP when charge.
• Senior Kari Bagpack

  Reduce 3% damage taken.
• Brilliant Stock Pot

  Increase max. HP by 8% and purify chance by 2% but reduce max. CP by 8%.
• Sakon Three Blades