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 :

• Rose Bouquet

  Recover CP by extra 5% per charge
• Swire Raijinco
• Large Wooden Hammer
• S40 Gozen Breeze Back Item

  Recover 7% HP with every Charge.
• Paper Umbrella

  Increase dodge by 3%. Reduce damage taken by 80.
• Santa Gift Bag

  Reduce damage taken by 30.
• Universal Saber

  Increases users agility by 1. Recover 150 HP at the start of every turn.
• First-Aid Kit

  100% of the purchase price will be donated to Japan earthquake relief.
• GM Goldfish

  GM Goldfish
• Shoguns Badge Gourd

  Increase Max. HP & CP by 3%
• Engagement Ring

  Additional 20 HP damage upon all attack.
• Giant Copper Coins

  Increase Mission gold reward by 30%.(Mission Only)
• Blue Wolf Tail
• Ame no Kemagatama

  Increase 3% accuracy.
  Additional 30 HP damage upon all attack.
• Water Energy Skis
• 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%.
• S15 Seitenken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Evil Way Lute

  Has a 50% chance to recover 5% of maximum HP. Has 10% chance to absorb 3% HP
• Scroll and Blade

  Has 11% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills. Increase critical rate by 5%. 8% chances of using Jutsu without CP.
• Aboriginal Hunting Set

  Increase accuracy by 5% and Combustion chance 6%.
• Childhood Memories

  Mothers Day 2011 Limited Edition
• Puppet: Hakuki (3 Days)

  Increase 3% accuracy.
  Reduce 46 HP damage taken.
  Recover 83 HP when each turn start.
• Taoist Spirit Stone

  Increases Max. HP by 3% and Max. CP by 5%. Increase purify chance by 1%.
• Mirror of Shamisen
• Great Wooden Hammer (7 Days)

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• 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.
• Dark Secret Seal

  Increases critical chance by 4%. Has 12% chance to Restrict anyone who attacks the user.