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 :

• Orange Kikyo Skis
• S18 Kamimachi Lantern

  Increase 4% critical rate and recover HP by 1%.
• Chakra Kanawa

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Steel Frame Tail
• Green Koi
• Dark Evil Sickle

  Exclusive Halloween item - the devils sickle that has 10% chance to absorb 1% HP of enemy who attack you.
• Successor Fan

  Restores HP & CP by 2%. Has 7% chance to freeze enemy who attacks user (2 turn). Frozen target cannot move but damage taken is reduced by 80%.
• Luckey windmill

  Each turn recover 120 HP and 120 CP.
• Sakon Three Blades
• Ultimate Taiko

  Recover 120 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.
• Leopard Cat Tail
• Three Ring Magatama

  Increase 2% accuracy.
  Additional 12 HP damage upon all attack.
• Tail of Capricorn

  Increases dodge rate by 4%. Recovers 3% HP with every charge.
• S17 Scorching Sun Lantern

  Recover 10% cp after dealing damage.
• Ninja Postman Bag

  Increase healing power of scrolls by 50%.
• S79 Blood Feather

  Has 15% chance to convert damage taken to HP positively.
• Egg Hunter Basket

  Increase 6% accuracy. (Easter 2011 Limited Edition)
• Ice Cystal Raijinco
• S63 Stormbringer

  Increases dodge rate by 5%. Has 50% chance to absorb 2% HP of enemy who attack you.
• S8 Sign of Corruption

  Wings with an ominous aura. Increases agility by 3.
• S11 Wood Spirit's Shield

  Increase max. HP by 9% and 20% chance to absorb 3% HP of enemy who attack you.
• Super Rabbit Doll

  Increase damage by 9%.
• Puppet: Hakuki (3 Days)

  Increase 3% accuracy.
  Reduce 46 HP damage taken.
  Recover 83 HP when each turn start.
• Universal Saber

  Increases users agility by 1. Recover 150 HP at the start of every turn.
• S15 Frozen Huge Sword

  Recupera 26% extra CP en cada recarga.
• Gummy Bear

  Restores CP by 2%. Reduce damage taken by 100.
• Soul of Egg Hunting Beast

  2012 Egg Hunting Event