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 :

• Toxic Village Poison Potion
• Christmas Wreath

  Increase agility by 1 and Max HP by 1%.
• S37 Ring of Chakra Flame

  Increase attack damage by 7%.
• Ninjas Stocking

  Increase 5% Combustion chance and attack damage by 3%.
• Drum: Ako
• Sakon Three Blades
• Native Horn

  Increase max. CP by 3%, Recover 1% HP with every Charge.
• Christmas Pudding

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

  Play the Taiko in Ninja Saga Anniversary Carnival! Recover 5 HP and CP at the start of every turn.
• S17 Scorching Sun Scroll

  Has 30% chance to absorb 1% HP of enemy who attack you.
• Folk Folding Fan
• S54 Ebony Nunchaku

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

  Increase healing power of scrolls by 100%. Has 6% chance to convert damage taken to HP positively.
• Basic Jounin Battle Gear
• FIFA Whistle

  Recover 100 CP at the start of every turn and reduces damage taken by 80.
• Luckey windmill

  Each turn recover 120 HP and 120 CP.
• S17 Scorching Sun Lantern

  Recover 10% cp after dealing damage.
• Christmas Bag

  Reduce damage taken by 10.
• Musashi Twin Blades
• Golden Torch of Zeus

  Recover 150 HP every turn
• S16 King Kong Ring

  Recover HP by 1% and reduces damage received by 4%.
• Scroll: Red Curse seal
• Extra Large Presents Bag

  A large present bag, but nobody knows what it contains.
• Merlins Magical book

  Increases attack damage 5%
• Fairy Fishing Rod

  Each turn recover 3% HP and 100 CP
• Three-stringed Lute Guitar