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 :

• Spiked Blade

  Increases dodge and critical chance by 4%. Recovers 70 HP each turn.
• S58 Scroll of Shadows

  Increases damage by 6% and dodge rate by 5%.
• Black Double Gun

  Ignore enemys dodge rate by 3%. Increase accuracy by 3%.
• Matsuyama Fan

  Ignore enemys dodge rate by 6%.
• Shadow Umbrella
• Ninja Postman Bag

  Increase healing power of scrolls by 50%.
• 4th Anniversary Back Item

  Ninja Saga 4th Anniversary edition! Recover 50 HP and 150 CP at the start of every turn.
• S9 Warring Empire Guarding Bow

  An ancient enchanted bow with great range used in warfare. Increases accuracy by 10%. Restore 100 HP every turn.
• Blessed Kitty

  Bless on his master everyday, which increase 3% damage. Heal 1% HP in every turn.
• Evil Way Lute

  Has a 50% chance to recover 5% of maximum HP. Has 10% chance to absorb 3% HP
• Ritual Taiko
• Shield of Holy Beast

  Reduce 5% damage taken. 6% chance to convert damage taken to HP positively.
• Ocean Ring

  Increase 1% accuracy.
  Additional 2 HP damage upon all attack.
• Scroll: Kochin
• Patriot Aegis

  A mythical shield that can block even the most vicious attacks. Increases max HP by 3%. Has a 60% chance to recover 5% of maximum HP and reduces damage taken by 75.
• Hanagara Dama

  Increase max. CP by 6%
• S29 Yanki Protective Magatama

  Increase accuracy by 8%
• Jingle Bell

  Reduce 2% damage taken. Recover 3% HP at the start of every turn.
• S10 Ancient Kikyo Umbrella

  6% chance to convert damage taken into health. But reduce Max.CP by 2%.
• Cursed Devil

  Increase attack damage by 15%. But reduce max. HP and max. CP by 10%
• GM Goldfish

  GM Goldfish
• Wine Gourd
• Black Metal Hammer
• Angel Wings

  Increase 3% attack damage and ignore 3% targets dodge.
• Scroll: Tenku
• Beast Mace
• S63 Stormbringer

  Increases dodge rate by 5%. Has 50% chance to absorb 2% HP of enemy who attack you.