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 :

• Hanami Fan

  Ignore 4% targets dodge and increase max. HP by 2%.
• S15 Frozen Large Sword

  Increase 7% purify chance.
• Carp Flag
• Carnival Taiko

  Play the Taiko in Ninja Saga Anniversary Carnival! Recover 5 HP and CP at the start of every turn.
• Venom Ghost

  Has 5% chance to convert damage taken to HP positively. Recover HP by 100 every turn.
• Red Ukiyo-e Kite

  4% chance to convert damage taken to HP positively and increase max. HP by 2%.
• Charming Aura (Pink)

  2012 Valentines day limited aura, reduce damage 2%.
• Scroll: Messenger

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• Great Wooden Hammer

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• Scroll: Sun of Campaign
• S10 Frostguard's Bow

  A magical bow that has a very long range. Reduce target 8% CP on every weapon attack.
• S39 Spike Hammer

  Increase accuracy by 10% but reduce max. HP by 10%.
• Assault Kite

  Recover 100 HP and 80 CP at the start of every turn.
• Mimosa
• Dragon Crucifix Spear
• S82 Amethyst Skull

  Increase purify chance by 5%. Recover 15% extra CP when charge.
• Wood Top
• Scroll: Posion Attack
• Tail Hunter Back Item

  Increase max. HP by 3%.
• Gruidae Wing

  Each turn recover 80 CP. Recover CP after HP reduction. (Amount: 8% of HP reduction)
• Sakura Lucky Cat

  Ignore enemys dodge rate by 4% and increase 3% dodge rate.
• Dark Blade

  Increase 2% critical rate and ignore 2% of targets dodge.
• Yolanda Rescue First Aid Kit
• Red Shuriken Skis
• Angel Wings

  Increase 3% attack damage and ignore 3% targets dodge.
• Ferret Tail
• S62 Black Steel Swords

  Restores 5% of users max HP.