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 :

• Sanmoku Gourd

  Reduce damage taken by 65.
• Swordfish
• S51 Enchanted Winged Carapace

  Increases accuracy by 3%. Recover 4% HP at the start of every turn.
• Basic Jounin Battle Gear
• S12 Golden Bujin Ax

  Increase attack damage by 20% but increase damage taken by 12%.
• Love Missile

  Additional 60 HP damage upon all attack.
• Mother's Hug

  Recover 100 HP and 2% HP at the start of every turn.
• S14 Yabusa Knife

  Increases 4% attack damage and ignore 4% of targets dodge.
• Orange Kikyo Skis
• S33 Book of Fate

  Increase Max. HP & CP by 4%
• Mech of Wing

  Reduce damage taken by 10%.
• Puppet: Hakuki (3 Days)

  Increase 3% accuracy.
  Reduce 46 HP damage taken.
  Recover 83 HP when each turn start.
• Nutcracker

  Increases Max. HP by 4% and damage by 3%.
• S2 Demons erosion

  Recovers 4% of the users max HP every turn. Additional 100 damage on all attacks.
• Father's Heart

  Reduce damage taken by 6%.
• Drum of Euphoria

  Recover 3% HP at the start of every turn, and recover 3% HP with every Charge.
• Gold Wand

  Ignore 5% targets dodge.
• Carp Flag
• S9 Akazonke Gunbai

  Increase 4% critical rate and ignore 4% targets dodge.
• Prestige Purple Dragon

  Increase attack damage by 5%. Recover 100 HP at the start of every turn.
• S13 Ancient Kishu Twin Blades

  Increase accuracy by 6%
• Book of Slate

  Decreases Max. HP by 1% and Increase Max. CP by 10%. Increase 3% purify chance.
• Aboriginal Hunting Set

  Increase accuracy by 5% and Combustion chance 6%.
• Christmas Treasure Bag

  Increase agility by 1.
• Virgos Eternal Wings

  Increases agility by 1. Increases users attack damage by 3%.
• Flag: Dragon Symbol
• Light Cry Raijinco