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 :

• Sakura Lantern

  Increase Combustion chance by 10%.(Minimum requirement of 1 Attribute Point in Fire to activate combustion effect). Has 10% chance to absorb 2% HP of enemy who attack you.
• Folk Folding Fan
• Red Ukiyo-e Kite

  4% chance to convert damage taken to HP positively and increase max. HP by 2%.
• Scroll: Grassland
• Little Shikigami

  Increases accuracy by 5%. Adds 80 damage in all of your attacks.
• Father's Heart

  Reduce damage taken by 6%.
• Brilliant Stock Pot

  Increase max. HP by 8% and purify chance by 2% but reduce max. CP by 8%.
• Paper Windmill

  Additional 20 HP damage upon all attack.
• Tail of Capricorn

  Increases dodge rate by 4%. Recovers 3% HP with every charge.
• Mace of Pandemonium

  Increases attack damage by 6%. Has 4% chance to convert damage taken to HP positively.
• Mimosa
• Blizzard

  Increases users agility by 1. Has 7% chance to convert damage taken into HP.
• Christmas Bag

  Reduce damage taken by 10.
• Force of Taowu

  Increases Max. HP by 4% and Max. CP by 4%.
• Griffin Thunderball

  Increases critical rate by 3% and dodge rate by 3%.
• Village Red Lantern
• Dark Evil Sickle

  Exclusive Halloween item - the devils sickle that has 10% chance to absorb 1% HP of enemy who attack you.
• S10 Frostguard's Bow

  A magical bow that has a very long range. Reduce target 8% CP on every weapon attack.
• Scroll: Messenger

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• Smart Phone
• Peom Fan

  Reduce 46 HP damage taken.
• Heart Aura

  Hidden feelings emerges! Recovers 2% of the user's max HP and 100 HP every turn.
• Charming Aura (Red)

  2012 Valentines day limited aura, increase all damage 2%.
• Cheerful Snowman

  Increase Max. CP by 20%. Recover 2% HP at the start of every turn. but reduce max. HP by 12%.
• Angel Wings

  Increase 3% attack damage and ignore 3% targets dodge.
• Paper Umbrella

  Increase dodge by 3%. Reduce damage taken by 80.
• S13 Slaughter Double Sickle

  Recover HP by 1%. 20% chances of using Jutsu without CP.