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 :

• S26 Bashosen

  Increase 10% Combustion chance.
• S55 Mirror of Fantasy

  Increases damage by 6% and accuracy by 5%. Has a 7% chance to convert any damage taken to HP.
• Mini Evil Wing

  Exclusive Halloween item - the devils wings that frighten enemy, and hence reduce their damage done on you by 5%.
• Scroll: Tenku
• Dark Cry Raijinco
• Drum of Euphoria

  Recover 3% HP at the start of every turn, and recover 3% HP with every Charge.
• Scroll: Genbu
• Prestige Purple Dragon

  Increase attack damage by 5%. Recover 100 HP at the start of every turn.
• S61 God Dragon Flag

  Increase critical rate by 6%. Has 20% chance to apply Restriction on enemies who attacks the user for 1 turn.
• GM Goldfish

  GM Goldfish
• Folk Folding Fan
• Puppet: Hakuki (7 Days)

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

  A magical taiko used in celebrations during the Aries zodiac months. Recovers 50 HP every turn and reduces damage taken by 25.
• Native Horn

  Increase max. CP by 3%, Recover 1% HP with every Charge.
• Dragon Crucifix Spear
• Sakura Rain Battle Umbrella
• Bat Back Item

  Back item design with reference from Halloween - Bats. Increase 5% dodge rate and decrease damage 5% at the same time.
• Golden Torch of Zeus

  Recover 150 HP every turn
• S82 Amethyst Skull

  Increase purify chance by 5%. Recover 15% extra CP when charge.
• Holy Wings

  Increase accuracy by 4% and dodge rate by 3%.
• Hanagara Dama

  Increase max. CP by 6%
• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• Christmas Treasure Bag

  Increase agility by 1.
• Three-stringed Lute Guitar
• White Guitar
• Childhood Memories

  Mothers Day 2011 Limited Edition
• Scroll: Double Head