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 :

• S26 Bashosen

  Increase 10% Combustion chance.
• Scroll and Blade

  Has 11% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills. Increase critical rate by 5%. 8% chances of using Jutsu without CP.
• Steel Frame Tail
• Mini Octopus
• Vertical Light

  Reduce 15 HP damage taken.
• Hanami Lantern

  2011 Hanami Festival - Shine! Reduce damage taken by 15.
• Christmas Treasure Bag

  Increase agility by 1.
• Fire Symbol Guitar
• Bronze Torch of Zeus

  Increase mission XP reward by 200
• Angel Wings

  Increase 3% attack damage and ignore 3% targets dodge.
• 2011 Fortune Lantern

  Ninja Saga 2nd Anniversary Carnival!
• First-Aid Kit

  100% of the purchase price will be donated to Japan earthquake relief.
• Thanksgiving Candle

  Has 15% chance to absorb 2% HP of enemy who attack you. Increase 7% Combustion chance.
• Gold Wand

  Ignore 5% targets dodge.
• Lucky Chess

  Has 5% chance to freeze enemy who attacks user (3 turn). Frozen target cannot move but damage taken is reduced by 80%. Each turn recover 100 HP and 100 CP.
• Balloon Rabbit Doll

  Has 8% chance to convert damage taken to HP positively.
• S3 Fossil of Magatama

  Increase purify chance by 6%. Has 10% chance to convert damage taken to HP positively.
• Twins Sakura

  Ignore 5% targets dodge.
• Sakura wah

  Restores HP by 3% and CP by 99 each turn.
• Village Red Lantern
• Scroll: Kinjutsu I
• Engagement Ring

  Additional 20 HP damage upon all attack.
• S25 Musha Pipa

  Increase 4% critical rate and ignore 4% targets dodge.
• Ishiyama Lantern

  Reduce damage taken by 49.
• Ferret Tail
• Evil Claw Hammer

  Reduce 7 HP damage taken.
• S35 Mini Teiko

  Increase agility by 1 and ignore enemys dodge rate by 2%.