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 :

• Scroll: Kinjutsu I
• Little Shikigami

  Increases accuracy by 5%. Adds 80 damage in all of your attacks.
• Ninja Bunny Doll

  Increase 2% damage and ignore 3% targets dodge.
• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• S66 Dark Wings

  Remnants of a powerful dark spirit. Increases attack and critical rate by 4%. Increases accuracy by 5%.
• Moai Flagon

  Increase Max. HP by 3%. Reduce damage taken by 100.
• Dark World Hammer
• Rose Cloak

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

  Increase 3% damage, 4% chance to freeze attackers for 1 turn . Frozen target cannot move but damage taken is reduced by 80%
• Christmas Deer

  Increase critical chance 2% and critical damage 6%.
• Big Cheese

  Recover CP after HP reduction. (Amount: 10% of HP reduction)
• Chakra Ancestor Flame

  Reduce damage taken by 175. Has 5% chance to convert damage taken to HP positively.
• Christmas Stick

  Increase 1% damage. Recover 3% HP with every Charge.
• Basic Jounin Battle Gear
• Angel Wings

  Increase 3% attack damage and ignore 3% targets dodge.
• S37 Ring of Chakra Flame

  Increase attack damage by 7%.
• S28 Orochi Statue

  Increase attack damage by 4%, and recover HP by 1%.
• Folding Paper Fan
• S10 Ancient Kikyo Umbrella

  6% chance to convert damage taken into health. But reduce Max.CP by 2%.
• Python Scales Raijinco
• Scroll: Grassland
• Gold Wand

  Ignore 5% targets dodge.
• Christmas Trumpet

  Ignore enemys dodge rate by 4% and recover 3% CP with every charge.
• Mother's Hug

  Recover 100 HP and 2% HP at the start of every turn.
• S11 Tensho Compass

  Increase attack damage by 4%, and recover HP by 1%.
• S55 Mirror of Fantasy

  Increases damage by 6% and accuracy by 5%. Has a 7% chance to convert any damage taken to HP.
• Spirit Flag

  An inspiring banner that boosts the holders morale. Increase critical chance and dodge rate by 3%.