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 :

• S20 Empire Battle Gear

  6% chance to convert damage taken to HP positively.
• 2011 Fortune Lantern

  Ninja Saga 2nd Anniversary Carnival!
• Ghost Spider

  Reduce 72 HP damage taken.
• Togatsuki Paper Fan

  Increase max. CP by 10%.
• Poor Bag

  7% chance to convert damage taken to HP positively. Reduce damage taken by 5%.
• Merlins Magical book

  Increases attack damage 5%
• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• Universal Backpack

  Increase healing power of scrolls by 100%. Each turn recover 140 HP.
• S64 Twin Pinnacle Spear

  Powerful spears that can pinpoint enemy's weaknesses. Increases accuracy by 12%. But reduce self dodge rate by 5%.
• Angel Heart (White)

  16% chance to absorb 2% HP of enemy who attack you.
• Ishiyama Lantern

  Reduce damage taken by 49.
• Spiked Blade

  Increases dodge and critical chance by 4%. Recovers 70 HP each turn.
• Paper Windmill

  Additional 20 HP damage upon all attack.
• Flame Soul Electric Guitar
• S37 Ring of Chakra Flame

  Increase attack damage by 7%.
• S18 Evil Spirit Wings

  Increase 10% critical rate.
• Wine Gourd
• Ritual Taiko
• S2 Ancient Bone Claw

  An ancient bone that emanates great power. Increases accuracy by 8%. Recovers 100 HP every turn.
• S3 Energetical Can

  Increase attack damage by 10% and Combustion chance by 18%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Deadwood Pipa
• Force of Taotie

  Reduce damage taken by 7%.
• Large Wooden Hammer
• Carp Flag
• S5 The Guider

  Increase purify chance by 7%. Recover 8% HP when purify. Recovers 4% of the user's max HP.
• Force of Taowu

  Increases Max. HP by 4% and Max. CP by 4%.
• Turkey Balloon

  Reduce damage taken by 7%. Recover 10% extra CP when charge.