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 :

• Enternal Love Scroll

  Increase 5% Combustion chance and reduce 1% damage taken.
• S13 Kishu Twin Blades

  Increase accuracy by 8%
• Four-Point Shuriken
• Falcon
• Ronin Idol

  Reduce damage taken by 100 and restores 4% of users max HP.
• Silver Torch of Zeus

  Increase mission gold reward by 300.
• Magical Wreath

  Recover HP by 2% and reduce 4% damage taken.
• S14 Ancient Yabusa Knife

  Increases attack damage 4% and ignore 3% of targets dodge.
• S33 Book of Fate

  Increase Max. HP & CP by 4%
• Sanmoku Gourd

  Reduce damage taken by 65.
• Ferret Tail
• S12 Golden Bujin Jitte

  Increase dodge rate by 10%.
• Crystal Ice Mirror

  5% chance to freeze enemy who attack user (1 turn). Frozen target cannot move but damage taken is reduced by 80%
• Evil Way Lute

  Has a 50% chance to recover 5% of maximum HP. Has 10% chance to absorb 3% HP
• S9 Warring Empire Guarding Bow

  An ancient enchanted bow with great range used in warfare. Increases accuracy by 10%. Restore 100 HP every turn.
• Ninja Bunny Doll

  Increase 2% damage and ignore 3% targets dodge.
• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• 2011 Carnival Jiegu

  Ninja Saga 2nd Anniversary Carnival! Each turn recover 100 HP and 100 CP.
• Flag: Dragon Symbol
• Soul Capturing Hammer

  Recover self 2% HP, reduce 3% damage taken.
• Frost Soul Electric Guitar
• Love Ribbon

  Additional 40 HP damage upon all attack.
• S48 Titans Hammer

  The hammer used by titans to destroy castles in ancient times. Increases attack damage by 8% and accuracy by 5%.
• Scroll: Kinjutsu I
• Black Koi
• Puppet: Hakuki (7 Days)

  Increase 3% accuracy.
  Reduce 46 HP damage taken.
  Recover 83 HP when each turn start.
• Minotaurs Horn

  Recover 350 HP at the start of every turn. Has 15% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.