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 :

• S1 Helianthus

  Restores HP & CP by 5%. Increase purify chance by 5%.
• S38 Genrei Fan

  Increase max.CP by 50% but reduce max. HP by 20%.
• Call of the Angel

  Reduce damage taken by 100. Has 6% chance to convert damage taken to HP positively.
• S2 Demons erosion

  Recovers 4% of the users max HP every turn. Additional 100 damage on all attacks.
• S12 Ancient Blood Evil Gourd

  Increase max. HP by 5%. But reduce Max.CP by 1%.
• Scroll: Messenger

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• Silver Torch of Zeus

  Increase mission gold reward by 300.
• Evil Claw Hammer

  Reduce 7 HP damage taken.
• Virgos Eternal Wings

  Increases agility by 1. Increases users attack damage by 3%.
• Black Silver Electric Guitar
• Wood Top
• War Flag: Syoshin

  Increase mission XP reward by 100.
• Blessed Kitty

  Bless on his master everyday, which increase 3% damage. Heal 1% HP in every turn.
• Ritual Taiko
• Master Scroll

  Restores HP & CP by 3%.
• Jaws

  Ignore 4% targets dodge.
• S17 Scorching Sun Scroll

  Has 30% chance to absorb 1% HP of enemy who attack you.
• Sweet Treat

  Increase critical chance by 2% and dodge rate by 3%.
• Light of Eternal

  Increase Max.HP 3%. Recover 3% SP at the start of every turn.
• Butterfly Wings
• Nutcracker

  Increases Max. HP by 4% and damage by 3%.
• Sanmoku Gourd

  Reduce damage taken by 65.
• S10 Frostguard's Bow

  A magical bow that has a very long range. Reduce target 8% CP on every weapon attack.
• Scroll: Flying Phoenix
• S8 Ancient Scroll of Golden Snake

  Increase all attack damage by 4%, and Decrease damage taken by 4%. But reduce critical chance by 1%.
• Yatai Lantern
• Crimson Lanterns

  Increase attack damage by 6%. Has 6% chance to convert damage taken to HP positively.