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 :

• Clouds And Mist Raijinco
• White Metal Hammer
• Merlins Magical book

  Increases attack damage 5%
• Hanagara Dama

  Increase max. CP by 6%
• Scroll: Grassland
• 2011 Fortune Lantern

  Ninja Saga 2nd Anniversary Carnival!
• Silver Torch of Zeus

  Increase mission gold reward by 300.
• S58 Scroll of Shadows

  Increases damage by 6% and dodge rate by 5%.
• Black Metal Hammer
• S29 Yanki Protective Magatama

  Increase accuracy by 8%
• Shinobi Curse Battle Umbrella
• Shishimai Back

  Restores 3% of users max HP.Has 4% chance to convert damage taken to HP positively.
• Wooden Hammer
• Scroll: Flying Phoenix
• Chakra Kanawa

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• S11 Tensho Compass

  Increase attack damage by 4%, and recover HP by 1%.
• S1 Helianthus

  Restores HP & CP by 5%. Increase purify chance by 5%.
• Pirate Skull Flag

  Increase 6% purify chance. Reduce damage taken by 5%.
• Ishiyama Lantern

  Reduce damage taken by 49.
• Dual Blade of Fire

  Increase 3% damage made, recover self 2% HP each turn.
• Decorative Rope
• Charmed Heart

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• GM Goldfish

  GM Goldfish
• S2 Ancient Bone Claw

  An ancient bone that emanates great power. Increases accuracy by 8%. Recovers 100 HP every turn.
• S31 Yabusa Dual Head Spear

  Increase 4% damage and 4% critical rate.
• Carrot Launcher

  Increase agility by 1. (Easter 2011 Limited Edition)
• 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.