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 :

• Light of Eternal

  Increase Max.HP 3%. Recover 3% SP at the start of every turn.
• Hanami Fan

  Ignore 4% targets dodge and increase max. HP by 2%.
• Bronze Torch of Zeus

  Increase mission XP reward by 200
• Crimson Lanterns

  Increase attack damage by 6%. Has 6% chance to convert damage taken to HP positively.
• Orange Koi
• Wings of Eternal Eclipse

  Increases critical chance by 3%. Ignores 6% of the targets dodge rate.
• Decorate Battle Umbrella
• S9 Ancient Akazonke Gunbai

  Increase critical rate and accuracy by 4%. But reduce Max.HP by 2%.
• Brilliant Stock Pot

  Increase max. HP by 8% and purify chance by 2% but reduce max. CP by 8%.
• S12 Golden Bujin Ax

  Increase attack damage by 20% but increase damage taken by 12%.
• Sakura Fan

  Recover 20 HP and 150 CP at the start of every turn.
• S31 Yabusa Dual Head Spear

  Increase 4% damage and 4% critical rate.
• Charming Aura (Pink)

  2012 Valentines day limited aura, reduce damage 2%.
• Osuzu Shinsen

  Ninja Saga 2nd Anniversary Carnival! Increase all attack damage by 5%.
• Chakra Message Stick
• Cancer Assegai

  Increases critical rate by 4%. Reduce damage taken by 3%.
• S61 God Dragon Flag

  Increase critical rate by 6%. Has 20% chance to apply Restriction on enemies who attacks the user for 1 turn.
• Sack of Hearts

  Cupids sack of hearts. Recovers 3% HP every turn. Has 5% chance to convert any damage to HP.
• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• Star Dawn Harp

  Increases users agility by 1. Recover CP after HP reduction. (Amount: 10% of HP reduction) Recover HP by 2% when being put on a debuff.
• Sweet Treat

  Increase critical chance by 2% and dodge rate by 3%.
• Magical Wreath

  Recover HP by 2% and reduce 4% damage taken.
• Blizzard

  Increases users agility by 1. Has 7% chance to convert damage taken into HP.
• Scroll: Red Curse seal
• Soul Capturing Hammer

  Recover self 2% HP, reduce 3% damage taken.
• S26 Bashosen

  Increase 10% Combustion chance.
• Blue Cloud Umbrella

  Ignore 6% targets dodge.