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 :

• Hanami Fan

  Ignore 4% targets dodge and increase max. HP by 2%.
• Master Scroll

  Restores HP & CP by 3%.
• Christmas Pudding

  Recover 200 HP and 200 CP at the start of every turn but reduce agility by 10.
• Ferret Tail
• Scroll: Rikugo
• First-Aid Kit

  100% of the purchase price will be donated to Japan earthquake relief.
• Love of coffee

  Prepared with love and empathy. Recovers 100 HP every turn. Increases attack damage by 4%.
• Apricot Pipa
• S45 Oblivion Ward

  Increases Max. HP by 3% and Max. CP by 6%.
• S52 Gold Dragon Scroll

  Reduce damage taken by 7%. Ignore targets dodge rate by 5%.
• Raijin Raijinco
• Bronze Torch of Zeus

  Increase mission XP reward by 200
• Dragon Crucifix Spear
• S76 Buckler and Sword

  Increase max.HP by 12% but reduce max. CP by 2%.
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• Mother's Hug

  Recover 100 HP and 2% HP at the start of every turn.
• Hanami Lantern

  2011 Hanami Festival - Shine! Reduce damage taken by 15.
• S1 Helianthus

  Restores HP & CP by 5%. Increase purify chance by 5%.
• Engagement Ring

  Additional 20 HP damage upon all attack.
• Orange Kikyo Skis
• Python Scales Raijinco
• S51 Enchanted Winged Carapace

  Increases accuracy by 3%. Recover 4% HP at the start of every turn.
• 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.
• Mini Scroll
• Fairy Wings

  Fairy wings that owned by a fairy
• S16 King Kong Ring

  Recover HP by 1% and reduces damage received by 4%.
• Egg Hunter Basket

  Increase 6% accuracy. (Easter 2011 Limited Edition)