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 :

• Sakura Fan

  Recover 20 HP and 150 CP at the start of every turn.
• Osuzu Shinsen

  Ninja Saga 2nd Anniversary Carnival! Increase all attack damage by 5%.
• S40 Gozen Breeze Back Item

  Recover 7% HP with every Charge.
• Thorn hammer
• Great Stinger

  Reduces damage taken by 3%. Converts 9% of damage taken into CP.
• Screw Pattern Skis
• Christmas Chimney

  4% chance to freeze enemy who attacks user (1 turn). Frozen target cannot move but damage taken is reduced by 80%.
• S9 Warring Empire Guarding Bow

  An ancient enchanted bow with great range used in warfare. Increases accuracy by 10%. Restore 100 HP every turn.
• S5 Possessed Koto

  Increase purify chance by 7%. Reduce jutsu CP consumption for 10%. Has 15% Chance to stun target when attack with weapon for 1 turn.
• Dark World Hammer
• War Flag: Syoshin

  Increase mission XP reward by 100.
• Wood Top
• Beast Mace
• Spartan Shield

  Restore 100 HP every turn. Reduce damage taken by 5%.
• Chakra Message Stick
• Evil Way Lute

  Has a 50% chance to recover 5% of maximum HP. Has 10% chance to absorb 3% HP
• Griffin Thunderball

  Increases critical rate by 3% and dodge rate by 3%.
• S31 Yabusa Dual Head Spear

  Increase 4% damage and 4% critical rate.
• S57 Magatama Gunbai

  Increases dodge rate by 5% and restores 4% of users max HP every turn.
• 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)
• S4 Bladed Wings

  Reduce damage taken by 400. Recovers 1% of the user's max HP
• Angel Heart (Black)

  Reduce target 8% CP on every weapon attack.
• Ramen Shop Lantern
• Ronin Idol

  Reduce damage taken by 100 and restores 4% of users max HP.
• S42 Hanbing Hammer

  8% chance to convert damage taken to HP positively.
• Great Wooden Hammer (7 Days)

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• Emblem backpack (Yellow)

  Double mission XP reward in level 1 to level 20.