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 :

• 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)
• GM Goldfish

  GM Goldfish
• Wine Gourd
• Drum of Euphoria

  Recover 3% HP at the start of every turn, and recover 3% HP with every Charge.
• Red Ukiyo-e Kite

  4% chance to convert damage taken to HP positively and increase max. HP by 2%.
• FIFA Whistle

  Recover 100 CP at the start of every turn and reduces damage taken by 80.
• Cancer Assegai

  Increases critical rate by 4%. Reduce damage taken by 3%.
• S62 Black Steel Swords

  Restores 5% of users max HP.
• Colorful Moai Egg

  Reduce damage taken by 100 and recover 10% extra CP when charge.
• Chakra Magatama

  Increase 2% accuracy.
  Additional 5 HP damage upon all attack.
• Trident
• Death Wooden Coffin
• S65 Transcendent Flame Wings

  Remnants of a powerful fire spirit. Increases attack damage by 7% and increase 20% Combustion chance. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Soul of Egg Hunting Beast

  2012 Egg Hunting Event
• 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.
• Victorious Crown

  Increases accuracy by 4% and recover HP by 3%. Has 13% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Tail of Hachibi

  Forged with chakra of the legendary tailed beast, Hachibi. Increase critical chance by 15% but reduce max. HP by 20%.
• Vertical Light

  Reduce 15 HP damage taken.
• Father's Heart (II)

  Reduce damage taken by 7%. Reduce damage taken by 150.
• Ancient Shinobi War Decorated

  Additional 60 HP damage upon all attack.
• Zombie Hand

  Increase attack damage by 15%. But each turn reduce 200 HP and 300 CP.
• Jingle Bell

  Reduce 2% damage taken. Recover 3% HP at the start of every turn.
• S70 Magical Cobweb

  Restores CP by 3%. 30% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Angel Wings

  Increase 3% attack damage and ignore 3% targets dodge.
• Dark Evil Sickle

  Exclusive Halloween item - the devils sickle that has 10% chance to absorb 1% HP of enemy who attack you.
• Love Missile

  Additional 60 HP damage upon all attack.
• Dual Blade of Fire

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