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 :

• Decorative Rope
• Yolanda Rescue First Aid Kit
• 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.
• Scroll: Messenger (3 Days)

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• Sealing Pot

  Increases Max. HP by 4% and recover 3% HP at the start of every turn.
• Force of Taowu

  Increases Max. HP by 4% and Max. CP by 4%.
• Yatai Lantern
• Enternal Love Scroll

  Increase 5% Combustion chance and reduce 1% damage taken.
• Dark Plate Twin Blades
• Love Ribbon

  Additional 40 HP damage upon all attack.
• S16 Umbra Steel Wheel

  Reduce damage taken by 270.
• Shishimai Back

  Restores 3% of users max HP.Has 4% chance to convert damage taken to HP positively.
• Super Rabbit Doll

  Increase damage by 9%.
• Ninjas Stocking

  Increase 5% Combustion chance and attack damage by 3%.
• S7 Gorgeous Butterfly

  Increase agility by 2. Recover 20% extra CP when charge.
• Rose Bouquet

  Recover CP by extra 5% per charge
• Charming Aura (Black)

  2012 Valentines day limited aura, increase critical chance 2%.
• Blizzard

  Increases users agility by 1. Has 7% chance to convert damage taken into HP.
• Tai Chi Gold Gourd

  Restores HP by 4%. Increase healing power of scrolls by 500%. Reduce target 3% CP on every weapon attack.
• 2011 Carnival Jiegu

  Ninja Saga 2nd Anniversary Carnival! Each turn recover 100 HP and 100 CP.
• Tail of Capricorn

  Increases dodge rate by 4%. Recovers 3% HP with every charge.
• Ukon Three Blades
• Gunbai: World Peace
• GM Phone

  GM Phone
• Falcon
• Mini Goldfish
• Sakura Lucky Bag

  Increase 3% damage, 4% chance to freeze attackers for 1 turn . Frozen target cannot move but damage taken is reduced by 80%