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 :

• 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)
• Newbie backpack (Red)

  Double mission XP reward in level 1 to level 10.
• Tail of Jyubi

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

  Recover 20 HP and 150 CP at the start of every turn.
• Bear of Affection

  Increase dodge rate by 3% and ignore target dodge by 3%.
• 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.
• Master Scroll

  Restores HP & CP by 3%.
• Heian-kyo Shamisen
• Sealing the soul barrel
• S3 Energetical Can

  Increase attack damage by 10% and Combustion chance by 18%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• Python Scales Raijinco
• Puppet: Spider
• Mech of Wing

  Reduce damage taken by 10%.
• Hanami Lantern

  2011 Hanami Festival - Shine! Reduce damage taken by 15.
• Rose Bouquet

  Recover CP by extra 5% per charge
• Jingle Bell

  Reduce 2% damage taken. Recover 3% HP at the start of every turn.
• 4th Anniversary Back Item

  Ninja Saga 4th Anniversary edition! Recover 50 HP and 150 CP at the start of every turn.
• Golden Torch of Zeus

  Recover 150 HP every turn
• Hanami Fan

  Ignore 4% targets dodge and increase max. HP by 2%.
• Leos Recurve Bow

  Increases damage by 4% and dodge rate by 1%.
• Yolanda Rescue First Aid Kit
• Twins Sakura

  Ignore 5% targets dodge.
• Black Double Gun

  Ignore enemys dodge rate by 3%. Increase accuracy by 3%.
• Ichimoku Gourd
• S15 Seitenken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Christmas Stick

  Increase 1% damage. Recover 3% HP with every Charge.