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 :

• Falcon
• Gunbai: Gyoji
• S2 Ancient Bone Claw

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

  Recover CP after HP reduction. (Amount: 10% of HP reduction)
• Spiked Blade

  Increases dodge and critical chance by 4%. Recovers 70 HP each turn.
• Basic Jounin Battle Gear
• Love of coffee

  Prepared with love and empathy. Recovers 100 HP every turn. Increases attack damage by 4%.
• Scroll: Messenger (7 Days)

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• Hanami Taiko

  2011 Hanami Festival - Rhythm! Recover HP & CP by 10 every turn.
• Bear of Affection

  Increase dodge rate by 3% and ignore target dodge by 3%.
• Scarlet Sword Wheel

  Increases damage by 5% and dodge rate by 3%.
• Ninja Postman Bag

  Increase healing power of scrolls by 50%.
• Red Shuriken Skis
• Childhood Memories

  Mothers Day 2011 Limited Edition
• Carnival Fan

  Dance with the Fan during Ninja Saga Anniversary Carnival! Increase all attack damage by 3%.
• S14 Profound Tentacles

  35% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• Jaws

  Ignore 4% targets dodge.
• Tail of Kyubi

  Forged with chakra of the legendary tailed beast, Kyubi. 100% immune to Burn effect and increase 3% Combustion chance.
• Toxic Mushroom

  Increases damage by 10% but the user takes 200 HP damage every turn.
• Beast Mace
• Ritual Taiko
• Sakura Lucky Cat

  Ignore enemys dodge rate by 4% and increase 3% dodge rate.
• S27 Golden Gourd

  Recover 5% HP with every Charge.
• Paper Windmill

  Additional 20 HP damage upon all attack.
• Ramen Shop Lantern
• Gummy Bear

  Restores CP by 2%. Reduce damage taken by 100.
• Carrot Time Bomb

  Has 8% chance to freeze enemy who attacks user (1 turn). Frozen target cannot move but damage taken is reduced by 80%. Has 5% chance to convert damage taken to HP positively.