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 :

• S13 Kishu Twin Blades

  Increase accuracy by 8%
• Turkey Tail
• S16 Umbra Steel Wheel

  Reduce damage taken by 270.
• Ramen Shop Lantern
• S11 Wood Spirit's Shield

  Increase max. HP by 9% and 20% chance to absorb 3% HP of enemy who attack you.
• S48 Titans Hammer

  The hammer used by titans to destroy castles in ancient times. Increases attack damage by 8% and accuracy by 5%.
• Purple Dragon umbrella
• Stuff Bunny

  Increase Max. HP by 2% and Max. CP by 4%.
• Toxic Spider Web

  10% chance to apply Restriction on enemies who attacks the user for 1 turn.
  5% chance to freeze enemy who attack user (1 turn). Frozen target cannot move but damage taken is reduced by 80%
• Ninja Bag

  Increase healing power of scrolls by 20%.
• Native Horn

  Increase max. CP by 3%, Recover 1% HP with every Charge.
• Smoothbore Musket

  Increase 10% damage.
  Reduce 3% damage taken.
• Flour Stick
• Harvest Treasure Bag

  Reduce damage taken by 140. Recover 5% extra CP when charge.
• Sakon Three Blades
• S83 Four Wings

  Increase dodge rate by 8%.
• Mace of Pandemonium

  Increases attack damage by 6%. Has 4% chance to convert damage taken to HP positively.
• S43 Extreme Lotus

  The back item contains 30% chance to absorb 3% HP of enemy which makes attack on you.
• Raijin Raijinco
• Sakura wah

  Restores HP by 3% and CP by 99 each turn.
• Spinning Wheel

  Recover user's max HP by 1% each turn. Increases user's max CP by 2%. Converts 10% of damage taken into CP.
• S9 Warring Empire Bulwark

  A strong and sturdy shield. Reduces damage taken by 35% but reduces the user's agility by 15.
• S4 Bladed Wings

  Reduce damage taken by 400. Recovers 1% of the user's max HP
• S31 Yabusa Dual Head Spear

  Increase 4% damage and 4% critical rate.
• Spirit Flag

  An inspiring banner that boosts the holders morale. Increase critical chance and dodge rate by 3%.
• S2 Scroll Capsule

  Increase attack damage by 8%. Recover 7% cp after dealing damage.
• Soul of Egg Hunting Beast

  2012 Egg Hunting Event