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 :

• Shigu Twin Blades
• Sakura Dance

  Increase damage by 3% and max. HP by 4%.
• Dark World Hammer
• Merlins Magical book

  Increases attack damage 5%
• S2 Solar Aura

  Increase agility by 3 and accuracy by 7% .
• Deadwood Pipa
• Christmas Deer

  Increase critical chance 2% and critical damage 6%.
• S38 Genrei Fan

  Increase max.CP by 50% but reduce max. HP by 20%.
• Hide Guitar
• Heart Aura

  Hidden feelings emerges! Recovers 2% of the user's max HP and 100 HP every turn.
• Red Koi
• Hanami Folding Fan

  2011 Hanami Festival - Usagi! Increase dodge rate and critical rate by 3%.
• 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)
• Super Rabbit Doll

  Increase damage by 9%.
• Scroll: Genbu
• S34 Wooden Name Tag

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• S76 Buckler and Sword

  Increase max.HP by 12% but reduce max. CP by 2%.
• S13 Slaughter Double Sickle

  Recover HP by 1%. 20% chances of using Jutsu without CP.
• Angel Heart (White)

  16% chance to absorb 2% HP of enemy who attack you.
• Ronin Straw Hat

  Additional 100 HP damage upon all attack.
• Jingle Bell

  Reduce 2% damage taken. Recover 3% HP at the start of every turn.
• Love Ribbon

  Additional 40 HP damage upon all attack.
• Raccoon Tail
• Drum of Euphoria

  Recover 3% HP at the start of every turn, and recover 3% HP with every Charge.
• Charming Aura (Red)

  2012 Valentines day limited aura, increase all damage 2%.
• Gunbai: World Peace
• Black Koi