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 :

• Vampire Cloak

  Increase healing power of scrolls by 100.
• Mace of Pandemonium

  Increases attack damage by 6%. Has 4% chance to convert damage taken to HP positively.
• Silver Torch of Zeus

  Increase mission gold reward by 300.
• Bell of Beast

  Recover HP by 3%. 15% chance to absorb 3% HP of enemy who attack you.
• Shield of Holy Beast

  Reduce 5% damage taken. 6% chance to convert damage taken to HP positively.
• Matsuyama Fan

  Ignore enemys dodge rate by 6%.
• Flag of the Burning Legion

  Reduce 3% damage taken and 12% chance to absorb 2% HP of enemy who attack you.
• Paper Windmill

  Additional 20 HP damage upon all attack.
• Colorful Moai Egg

  Reduce damage taken by 100 and recover 10% extra CP when charge.
• S24 Junsei Ring

  Increase max. HP by 5%.
• Decorative Rope
• S35 Mini Teiko

  Increase agility by 1 and ignore enemys dodge rate by 2%.
• Virgos Eternal Wings

  Increases agility by 1. Increases users attack damage by 3%.
• S63 Stormbringer

  Increases dodge rate by 5%. Has 50% chance to absorb 2% HP of enemy who attack you.
• Blessed Kitty

  Bless on his master everyday, which increase 3% damage. Heal 1% HP in every turn.
• S67 Omni Cloud

  Increase accuracy by 6% and dodge rate by 5%.
• Green Koi
• Falcon
• S16 Umbra Steel Wheel

  Reduce damage taken by 270.
• Spiked Blade

  Increases dodge and critical chance by 4%. Recovers 70 HP each turn.
• Scroll: Guren
• S54 Ebony Nunchaku

  Increases damage by 7%. Has 20% chance to apply Restriction on enemies who attacks the user for 1 turn.
• Gummy Bear

  Restores CP by 2%. Reduce damage taken by 100.
• Lovely Santa Bag

  A bag that resembles Santa Claus, it emanates faint revitalizing aura. Restores 140 HP and 30 CP at the start of every turn.
• Triple Taiko

  Increases Max. HP by 4% and healing power of scrolls by 100%.
• S11 Wood Spirit's Bow

  Increase critical chance 13%.
• S13 Slaughter Double Sickle

  Recover HP by 1%. 20% chances of using Jutsu without CP.