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 :

• Sanmoku Gourd

  Reduce damage taken by 65.
• Bat Back Item

  Back item design with reference from Halloween - Bats. Increase 5% dodge rate and decrease damage 5% at the same time.
• Jaws

  Ignore 4% targets dodge.
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• Osuzu Shinsen

  Ninja Saga 2nd Anniversary Carnival! Increase all attack damage by 5%.
• S14 Profound Tentacles

  35% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• Folding Fan: Shino
• Prestige Purple Dragon

  Increase attack damage by 5%. Recover 100 HP at the start of every turn.
• S41 Dragon Gunnery

  Increase 25% Combustion chance, Ignore enemys dodge rate by 5%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• S11 Wood Spirit's Bow

  Increase critical chance 13%.
• Newbie backpack (Red)

  Double mission XP reward in level 1 to level 10.
• S27 Golden Gourd

  Recover 5% HP with every Charge.
• Choco Tama

  Increase accuracy by 5% and increase healing power of scrolls by 25%.
• Wind Storm Raijinco
• Hanami Taiko

  2011 Hanami Festival - Rhythm! Recover HP & CP by 10 every turn.
• Tail of Jyubi

  Forged with chakra of the legendary tailed beast, Jyubi. Increase attack damage by 15% but reduce max. CP by 30%.
• S14 Profound Pincers

  20% chance to freeze enemy who attack user (1 turn). Frozen target cannot move but damage taken is reduced by 80%.
• Smart Phone
• Red Shuriken Skis
• Civet Cat Tail
• S79 Blood Feather

  Has 15% chance to convert damage taken to HP positively.
• Kettle
• Light of Eternal

  Increase Max.HP 3%. Recover 3% SP at the start of every turn.
• S15 Seitenken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• Scroll: Guren
• Peom Fan

  Reduce 46 HP damage taken.