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 :

• S67 Omni Cloud

  Increase accuracy by 6% and dodge rate by 5%.
• Clear Cross

  Increase 3% purify chance. Each turn recover 150 HP and 150 CP.
• Dark World Hammer
• S79 Blood Feather

  Has 15% chance to convert damage taken to HP positively.
• Father's Heart

  Reduce damage taken by 6%.
• Red Koi
• S58 Scroll of Shadows

  Increases damage by 6% and dodge rate by 5%.
• Extra Large Presents Bag

  A large present bag, but nobody knows what it contains.
• Senior Kari Bagpack

  Reduce 3% damage taken.
• Sealing Pot

  Increases Max. HP by 4% and recover 3% HP at the start of every turn.
• Soul of Egg Hunting Beast

  2012 Egg Hunting Event
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• Chakra Ancestor Flame

  Reduce damage taken by 175. Has 5% chance to convert damage taken to HP positively.
• Dual Blade of Fire

  Increase 3% damage made, recover self 2% HP each turn.
• S8 Scroll of Golden Snake

  Increase all attack damage by 4%. Decrease damage taken by 4%.
• S42 Tendo Tips

  Increases attack damage and reduces damage received by 5%.
• Frost Soul Electric Guitar
• Silver Torch of Zeus

  Increase mission gold reward by 300.
• S9 Akazonke Gunbai

  Increase 4% critical rate and ignore 4% targets dodge.
• Iron Tortoise Shell

  Reduce damage taken by 200.
• Deadwood Pipa
• S69 Skull Cloak

  Increases Max. HP by 4%. Restores HP by 4%. Increase attack damage by 6%.
• Mech of Battle Gear

  Increase critical chance 3% and critical damage 8%.
• Charming Aura (Black)

  2012 Valentines day limited aura, increase critical chance 2%.
• Clouds And Mist Raijinco
• S59 Rejuvenating Blade Wings

  Increases Max. HP by 6% and Max. CP by 4%.
• Rose Cloak

  Restores 80 CP at the start of every turn. Converts 8% of damage taken into CP.