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 :

• Holy Wings

  Increase accuracy by 4% and dodge rate by 3%.
• Childhood Memories

  Mothers Day 2011 Limited Edition
• S80 Struggle Flag

  Recover HP by 2%. Recover 7% HP with every Charge.
• Dragon Crucifix Spear
• Aries Taiko

  A magical taiko used in celebrations during the Aries zodiac months. Recovers 50 HP every turn and reduces damage taken by 25.
• S20 Empire Battle Gear

  6% chance to convert damage taken to HP positively.
• Turkey Balloon

  Reduce damage taken by 7%. Recover 10% extra CP when charge.
• Firefox Tail
• Sanmoku Gourd

  Reduce damage taken by 65.
• S26 Bashosen

  Increase 10% Combustion chance.
• Dual Blade of Fire

  Increase 3% damage made, recover self 2% HP each turn.
• Swire Raijinco
• Dark Blade

  Increase 2% critical rate and ignore 2% of targets dodge.
• GM back item
• Four-Point Shuriken
• Toxic Mushroom

  Increases damage by 10% but the user takes 200 HP damage every turn.
• Wood Top
• Extra Large Presents Bag

  A large present bag, but nobody knows what it contains.
• Ronin Straw Hat

  Additional 100 HP damage upon all attack.
• Balloon Rabbit Doll

  Has 8% chance to convert damage taken to HP positively.
• S13 Slaughter Giant Axe

  Increase max.HP by 20% but reduce max. CP by 35%.
• Love of coffee

  Prepared with love and empathy. Recovers 100 HP every turn. Increases attack damage by 4%.
• Sagittarius Hunting Set

  Increases dodge rate by 4%. Additional 80 HP damage on all attacks.
• Mirror of Thousand Hands
• Scroll: Red Curse seal
• S64 Twin Pinnacle Spear

  Powerful spears that can pinpoint enemy's weaknesses. Increases accuracy by 12%. But reduce self dodge rate by 5%.
• Wings of Eternal Eclipse

  Increases critical chance by 3%. Ignores 6% of the targets dodge rate.