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 :

• S57 Magatama Gunbai

  Increases dodge rate by 5% and restores 4% of users max HP every turn.
• Karasu Miya Falcon

  Increase dodge rate by 6%.
• Wooden Hammer
• Hanami Dango

  Reduces damage received by 7%. Restore 85 HP every turn.
• S9 Warring Empire Bulwark

  A strong and sturdy shield. Reduces damage taken by 35% but reduces the user's agility by 15.
• Flag of the Burning Legion

  Reduce 3% damage taken and 12% chance to absorb 2% HP of enemy who attack you.
• Cerberus's Flame

  80% chance to burn enemy who attack user - Reduce 3% HP for 2 turns.
• S63 Stormbringer

  Increases dodge rate by 5%. Has 50% chance to absorb 2% HP of enemy who attack you.
• S9 Akazonke Gunbai

  Increase 4% critical rate and ignore 4% targets dodge.
• Ronin Straw Hat

  Additional 100 HP damage upon all attack.
• Sengoku Flag

  Increases damage by 4%. Each turn recover 120 HP.
• Shishimai Back

  Restores 3% of users max HP.Has 4% chance to convert damage taken to HP positively.
• Love Ribbon

  Additional 40 HP damage upon all attack.
• Dark World Hammer
• S14 Yabusa Knife

  Increases 4% attack damage and ignore 4% of targets dodge.
• Puppet: Spider
• S15 Frozen Large Sword

  Increase 7% purify chance.
• Native Horn

  Increase max. CP by 3%, Recover 1% HP with every Charge.
• S10 Frostguard's Shield

  Shield of the valiant warrior Tundra. Increase agility by 2. Has 17% Chance to stun target when attack with weapon for 1 turn.
• Heian-kyo Shamisen
• Tailed Beast Chakra Crystal

  Increase 3% damage.
  Reduce 3% damage taken.
  Recover 2% HP each turn start.
• S4 Bladed Wings

  Reduce damage taken by 400. Recovers 1% of the user's max HP
• Harvest Treasure Bag

  Reduce damage taken by 140. Recover 5% extra CP when charge.
• Paper Umbrella

  Increase dodge by 3%. Reduce damage taken by 80.
• Death Wooden Coffin
• Red Koi
• Scroll: Terminated Rock