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 :

• S10 Frostguard's Bow

  A magical bow that has a very long range. Reduce target 8% CP on every weapon attack.
• Scroll: Flying Phoenix
• Mini Goldfish
• Love of coffee

  Prepared with love and empathy. Recovers 100 HP every turn. Increases attack damage by 4%.
• Wings of Eternal Eclipse

  Increases critical chance by 3%. Ignores 6% of the targets dodge rate.
• Soul Capturing Hammer

  Recover self 2% HP, reduce 3% damage taken.
• S11 Tensho Compass

  Increase attack damage by 4%, and recover HP by 1%. But reduce critical chance by 1%.
• Successor Fan

  Restores HP & CP by 2%. Has 7% chance to freeze enemy who attacks user (2 turn). Frozen target cannot move but damage taken is reduced by 80%.
• Scroll: Kochin
• Golden-bound Cudgel
• Ninja Bunny Doll

  Increase 2% damage and ignore 3% targets dodge.
• Childhood Memories

  Mothers Day 2011 Limited Edition
• Leopard Cat Tail
• S10 Kikyo Umbrella

  6% chance to convert damage taken to HP positively.
• Falcon
• Shadow Umbrella
• S22 Shinnoto Monks Staff

  Increase 4% critical rate and reduces damage received by 4%.
• Sealing the soul barrel
• S18 Evil Spirit Shield

  Reduce 14% damage taken.
• S16 Umbra Fire Wheel

  Additional 170 HP damage upon all attack.
• Orange Koi
• Dark Blade

  Increase 2% critical rate and ignore 2% of targets dodge.
• Sakura Rain Battle Umbrella
• Christmas Deer

  Increase critical chance 2% and critical damage 6%.
• Huginn & Muninn

  Reduce 4% damage taken. Has 10% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• S14 Profound Tentacles

  35% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• Red Shuriken Skis