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 :

• Force of Taotie

  Reduce damage taken by 7%.
• Ronin Idol

  Reduce damage taken by 100 and restores 4% of users max HP.
• Writing Brush
• Thanksgiving Candle

  Has 15% chance to absorb 2% HP of enemy who attack you. Increase 7% Combustion chance.
• Great Wooden Hammer (3 Days)

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• Scroll: Double Head
• Sack of Hearts

  Cupids sack of hearts. Recovers 3% HP every turn. Has 5% chance to convert any damage to HP.
• Love Ribbon

  Additional 40 HP damage upon all attack.
• S2 Ancient Bone Claw

  An ancient bone that emanates great power. Increases accuracy by 8%. Recovers 100 HP every turn.
• Paper Windmill

  Additional 20 HP damage upon all attack.
• Beast Mace
• Colorful Moai Egg

  Reduce damage taken by 100 and recover 10% extra CP when charge.
• Leopard Cat Tail
• Angel Heart (Black)

  Reduce target 8% CP on every weapon attack.
• Businessman Luggage
• Paper Umbrella

  Increase dodge by 3%. Reduce damage taken by 80.
• Tai Chi Gold Gourd

  Restores HP by 4%. Increase healing power of scrolls by 500%. Reduce target 3% CP on every weapon attack.
• S29 Yanki Protective Magatama

  Increase accuracy by 8%
• Tail of Jyubi

  Forged with chakra of the legendary tailed beast, Jyubi. Increase attack damage by 15% but reduce max. CP by 30%.
• S13 Kishu Twin Blades

  Increase accuracy by 8%
• Ukon Three Blades
• Native Drum

  5% chance to convert damage taken to HP positively.
• S15 Seitenken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Silver Torch of Zeus

  Increase mission gold reward by 300.
• S74 Burning Wings

  Increases attack damage by 4% and Combustion chance by 25%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Ritual Taiko
• S56 Curse Brush

  A legendary Ink Brush that has the ability to materialize drawings. Increase critical rate by 5% and accuracy by 6%.