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 :

• S59 Rejuvenating Blade Wings

  Increases Max. HP by 6% and Max. CP by 4%.
• Ishiyama Lantern

  Reduce damage taken by 49.
• S40 Gozen Breeze Back Item

  Recover 7% HP with every Charge.
• Successor Fan

  Restores HP & CP by 2%. Has 7% chance to freeze enemy who attacks user (2 turn). Frozen target cannot move but damage taken is reduced by 80%.
• Force of Taotie

  Reduce damage taken by 7%.
• S15 Ancient Seitenken

  Recover CP after HP reduction. (Amount: 16% of HP reduction)
• Wooden Repeating Crossbow
• Ninjas Stocking

  Increase 5% Combustion chance and attack damage by 3%.
• Thanksgiving Balloons

  Increase max. HP by 2%.
• S35 Mini Teiko

  Increase agility by 1 and ignore enemys dodge rate by 2%.
• Dual Blade of Fire

  Increase 3% damage made, recover self 2% HP each turn.
• Crimson Lanterns

  Increase attack damage by 6%. Has 6% chance to convert damage taken to HP positively.
• S41 Dragon Gunnery

  Increase 25% Combustion chance, Ignore enemys dodge rate by 5%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Matsuyama Fan

  Ignore enemys dodge rate by 6%.
• Sakon Three Blades
• Yatai Lantern
• Jaws

  Ignore 4% targets dodge.
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• Hanami Dango

  Reduces damage received by 7%. Restore 85 HP every turn.
• Father's Heart (II)

  Reduce damage taken by 7%. Reduce damage taken by 150.
• Scroll: Sun of Campaign
• S56 Curse Brush

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

  Has a 50% chance to recover 5% of maximum HP. Has 10% chance to absorb 3% HP
• Taoist Spirit Stone

  Increases Max. HP by 3% and Max. CP by 5%. Increase purify chance by 1%.
• Drum of Euphoria

  Recover 3% HP at the start of every turn, and recover 3% HP with every Charge.
• Kettle
• Gunbai: Gyoji