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 :

• Great Wooden Hammer (7 Days)

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• Scroll: Red Curse seal
• S14 Yabusa Knife

  Increases 4% attack damage and ignore 4% of targets dodge.
• Blizzard

  Increases users agility by 1. Has 7% chance to convert damage taken into HP.
• Carp Flag
• Musashi Twin Blades
• Minotaurs Horn

  Recover 350 HP at the start of every turn. Has 15% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Ukon Three Blades
• Justice and Freedom

  Flag of the United States of America which symbolizes freedom and liberty. Recover 3% HP with every charge. Increases critical rate by 3%. Reduces damage taken by 50.
• 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.
• Sakura Rain Battle Umbrella
• S81 Wheel of Glory

  Reduce damage taken by 200. Increase Combustion chance by 15%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Tai Chi Gold Gourd

  Restores HP by 4%. Increase healing power of scrolls by 500%. Reduce target 3% CP on every weapon attack.
• Togatsuki Paper Fan

  Increase max. CP by 10%.
• S31 Yabusa Dual Head Spear

  Increase 4% damage and 4% critical rate.
• S13 Kishu Twin Blades

  Increase accuracy by 8%
• 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.
• Angel Wings

  Increase 3% attack damage and ignore 3% targets dodge.
• MegaJingleBell

  A glorious Christmas artifact which can be used in battle. Ignores 5% of enemys dodge rate. Recovers 2% of users max HP every turn.
• Yawata Magatama

  Increase 3% accuracy.
  Additional 20 HP damage upon all attack.
• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• Scroll: Kinjutsu I
• Sakon Three Blades
• Apple Candy

  Increases damage by 5%. Has 3% chance to convert damage taken to HP positively.
• S10 Ancient Kikyo Umbrella

  6% chance to convert damage taken into health. But reduce Max.CP by 2%.
• Great Wooden Hammer (3 Days)

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• Universal Saber

  Increases users agility by 1. Recover 150 HP at the start of every turn.