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 :

• Neptunes Healing

  Amazing power from Neptune. 3% chance to convert damage taken to HP positively and recover 3% HP at the start of every turn.
• Christmas Bag

  Reduce damage taken by 10.
• Karasu Miya Falcon

  Increase dodge rate by 6%.
• S14 Profound Tentacles

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

  Increase max. CP by 10%.
• Sakura Lantern

  Increase Combustion chance by 10%.(Minimum requirement of 1 Attribute Point in Fire to activate combustion effect). Has 10% chance to absorb 2% HP of enemy who attack you.
• Death Wooden Coffin
• Childhood Memories

  Mothers Day 2011 Limited Edition
• 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.
• Fathers Treasure

  2014 Fathers Day special back item. Doubles the TP reward from TP missions.
• Christmas Wreath

  Increase agility by 1 and Max HP by 1%.
• FIFA Whistle

  Recover 100 CP at the start of every turn and reduces damage taken by 80.
• Basic Jounin Battle Gear
• Twins Sakura

  Ignore 5% targets dodge.
• S73 Smite Evil Shield

  Has 25% chance to absorb 2% HP of enemy who attack you. 8% chance to convert damage taken to HP positively.
• Shinobi Curse Battle Umbrella
• Shadow Twin Blades
• S50 Blood Shade Magatama

  Created with blood and molten lava, the blood shade magatama consumes the life force of anyone with malicious intent. Has a 8% chance to absorb 10% of the attackers max HP and 8% chance to convert any damage taken to HP.
• 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.
• Light of Eternal

  Increase Max.HP 3%. Recover 3% SP at the start of every turn.
• Spirit Flag

  An inspiring banner that boosts the holders morale. Increase critical chance and dodge rate by 3%.
• Hide Guitar
• War Flag: World Peace
• Flag: Dragon Symbol
• Ancient Pipe

  5% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• S9 Ancient Akazonke Gunbai

  Increase critical rate and accuracy by 4%. But reduce Max.HP by 2%.
• Trident