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 :

• Carnival Fan

  Dance with the Fan during Ninja Saga Anniversary Carnival! Increase all attack damage by 3%.
• Mischievous Candy

  Increase accuracy by 3%. Increase healing power of scrolls by 50%.
• Genin backpack (Blue)

  Double mission XP reward in level 11 to level 20.
• S22 Shinnoto Monks Staff

  Increase 4% critical rate and reduces damage received by 4%.
• 4th Anniversary Back Item

  Ninja Saga 4th Anniversary edition! Recover 50 HP and 150 CP at the start of every turn.
• Charming Aura (Pink)

  2012 Valentines day limited aura, reduce damage 2%.
• Father's Heart (II)

  Reduce damage taken by 7%. Reduce damage taken by 150.
• Dual Blade of Fire

  Increase 3% damage made, recover self 2% HP each turn.
• Clear Cross

  Increase 3% purify chance. Each turn recover 150 HP and 150 CP.
• S14 Profound Pincers

  20% chance to freeze enemy who attack user (1 turn). Frozen target cannot move but damage taken is reduced by 80%.
• Taoist Spirit Stone

  Increases Max. HP by 3% and Max. CP by 5%. Increase purify chance by 1%.
• Silver Torch of Zeus

  Increase mission gold reward by 300.
• Thanksgiving Candle

  Has 15% chance to absorb 2% HP of enemy who attack you. Increase 7% Combustion chance.
• Tail of Capricorn

  Increases dodge rate by 4%. Recovers 3% HP with every charge.
• Sealing Pot

  Increases Max. HP by 4% and recover 3% HP at the start of every turn.
• Straw Hat

  Increase dodge rate by 3%.
• Sack of Hearts

  Cupids sack of hearts. Recovers 3% HP every turn. Has 5% chance to convert any damage to HP.
• Love Missile

  Additional 60 HP damage upon all attack.
• Super Rabbit Doll

  Increase damage by 9%.
• Dragon Crucifix Spear
• Mother's Hug (II)

  Recover 150 HP and 3% HP at the start of every turn.
• Luckey windmill

  Each turn recover 120 HP and 120 CP.
• Puppet: Hakuki (3 Days)

  Increase 3% accuracy.
  Reduce 46 HP damage taken.
  Recover 83 HP when each turn start.
• Puppet: Hakuki (7 Days)

  Increase 3% accuracy.
  Reduce 46 HP damage taken.
  Recover 83 HP when each turn start.
• Scroll: Double Head
• 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.