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 :

• S5 The Guider

  Increase purify chance by 7%. Recover 8% HP when purify. Recovers 4% of the user's max HP.
• War Flag: Furinkazan
• Hanami Folding Fan

  2011 Hanami Festival - Usagi! Increase dodge rate and critical rate by 3%.
• Red Koi
• Butterfly Wings
• Light of Eternal

  Increase Max.HP 3%. Recover 3% SP at the start of every turn.
• S12 Golden Bujin Ax

  Increase attack damage by 20% but increase damage taken by 12%.
• Patriot Aegis

  A mythical shield that can block even the most vicious attacks. Increases max HP by 3%. Has a 60% chance to recover 5% of maximum HP and reduces damage taken by 75.
• 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.
• Knot of Avenger

  20% chance to absorb 2% HP of enemy who attack you. 20% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• Turkey Tail
• Ninja Snowman

  3% chance to convert damage taken to HP positively.
• Blue Bird Wings
• S13 Ancient Kishu Twin Blades

  Increase accuracy by 6%
• Three Ring Magatama

  Increase 2% accuracy.
  Additional 12 HP damage upon all attack.
• Charming Aura (Pink)

  2012 Valentines day limited aura, reduce damage 2%.
• Leopard Cat Tail
• Chakra Magatama

  Increase 2% accuracy.
  Additional 5 HP damage upon all attack.
• S42 Tendo Tips

  Increases attack damage and reduces damage received by 5%.
• Great Wooden Hammer (7 Days)

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• Yawata Magatama

  Increase 3% accuracy.
  Additional 20 HP damage upon all attack.
• S26 Bashosen

  Increase 10% Combustion chance.
• Giant Copper Coins

  Increase Mission gold reward by 30%.(Mission Only)
• Apple Candy

  Increases damage by 5%. Has 3% chance to convert damage taken to HP positively.
• Togatsuki Paper Fan

  Increase max. CP by 10%.
• Shoguns Badge Gourd

  Increase Max. HP & CP by 3%
• Grand Light Gourd

  Increase 3% damage