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 :

• Leos Recurve Bow

  Increases damage by 4% and dodge rate by 1%.
• Native Drum

  5% chance to convert damage taken to HP positively.
• S43 Extreme Lotus

  The back item contains 30% chance to absorb 3% HP of enemy which makes attack on you.
• Sakon Three Blades
• Steel Frame Tail
• Peom Fan

  Reduce 46 HP damage taken.
• Three Ring Magatama

  Increase 2% accuracy.
  Additional 12 HP damage upon all attack.
• S31 Yabusa Dual Head Spear

  Increase 4% damage and 4% critical rate.
• Ichimoku Gourd
• S8 Scroll of Golden Snake

  Increase all attack damage by 4%. Decrease damage taken by 4%.
• Big Cask

  Increase max.HP by 15% but reduce max. CP by 5%.
• S10 Frostguard's Bow

  A magical bow that has a very long range. Reduce target 8% CP on every weapon attack.
• Aries Taiko

  A magical taiko used in celebrations during the Aries zodiac months. Recovers 50 HP every turn and reduces damage taken by 25.
• Black Koi
• 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)
• S52 Gold Dragon Scroll

  Reduce damage taken by 7%. Ignore targets dodge rate by 5%.
• Scroll: Tenku
• Book of Slate

  Decreases Max. HP by 1% and Increase Max. CP by 10%. Increase 3% purify chance.
• Angel Wings

  Increase 3% attack damage and ignore 3% targets dodge.
• Ferret Tail
• Large Wooden Hammer
• Orange Koi
• S69 Skull Cloak

  Increases Max. HP by 4%. Restores HP by 4%. Increase attack damage by 6%.
• Gummy Bear

  Restores CP by 2%. Reduce damage taken by 100.
• S4 Bladed Wings

  Reduce damage taken by 400. Recovers 1% of the user's max HP
• Colorful Snowflake

  Increase agility by 1. Has 15% chance to freeze enemy who attacks user (2 turns). Frozen target cannot move but damage taken is reduced by 80%.
• Osuzu Shinsen

  Ninja Saga 2nd Anniversary Carnival! Increase all attack damage by 5%.