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 :

• S9 Akazonke Gunbai

  Increase 4% critical rate and ignore 4% targets dodge.
• Wind Storm Raijinco
• Father's Heart

  Reduce damage taken by 6%.
• Blessed Kitty

  Bless on his master everyday, which increase 3% damage. Heal 1% HP in every turn.
• Folk Folding Fan
• Drum: Ako
• Hanami Dango

  Reduces damage received by 7%. Restore 85 HP every turn.
• Bronze Torch of Zeus

  Increase mission XP reward by 200
• Christmas Pudding

  Recover 200 HP and 200 CP at the start of every turn but reduce agility by 10.
• Tail of Capricorn

  Increases dodge rate by 4%. Recovers 3% HP with every charge.
• Super Rabbit Doll

  Increase damage by 9%.
• Toxic Village Poison Potion
• Iron Tortoise Shell

  Reduce damage taken by 200.
• Roasted Turkey

  Restore 20 HP every turn.
• Shinobi Curse Battle Umbrella
• S43 Extreme Lotus

  The back item contains 30% chance to absorb 3% HP of enemy which makes attack on you.
• Grand Light Gourd

  Increase 3% damage
• Bat Back Item

  Back item design with reference from Halloween - Bats. Increase 5% dodge rate and decrease damage 5% at the same time.
• Moai Flagon

  Increase Max. HP by 3%. Reduce damage taken by 100.
• Smoothbore Musket

  Increase 10% damage.
  Reduce 3% damage taken.
• Christmas Trumpet

  Ignore enemys dodge rate by 4% and recover 3% CP with every charge.
• Dark Evil Sickle

  Exclusive Halloween item - the devils sickle that has 10% chance to absorb 1% HP of enemy who attack you.
• S44 Earth Caller

  Increases attack damage by 4% and max HP by 5%.
• Raijin Raijinco
• S60 Amber Jewel Wings

  Increases attack damage by 10% and increase 5% Combustion chance.
• S42 Hanbing Hammer

  8% chance to convert damage taken to HP positively.
• Carnival Taiko

  Play the Taiko in Ninja Saga Anniversary Carnival! Recover 5 HP and CP at the start of every turn.