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 :

• Wood Top
• Christmas Deer

  Increase critical chance 2% and critical damage 6%.
• Carnival Fan

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

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

  Increases damage by 5%. Has 3% chance to convert damage taken to HP positively.
• S60 Amber Jewel Wings

  Increases attack damage by 10% and increase 5% Combustion chance.
• S72 Hero Twin Axe

  Increase 12% Combustion Chance and recover 3% HP at the start of every turn. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• S13 Slaughter Giant Axe

  Increase max.HP by 20% but reduce max. CP by 35%.
• Cupids Flying Envelop

  A message to a far away lover.
  Reduces damage taken by 60.
  Increases max HP by 5%.
• Carrot Time Bomb

  Has 8% chance to freeze enemy who attacks user (1 turn). Frozen target cannot move but damage taken is reduced by 80%. Has 5% chance to convert damage taken to HP positively.
• GM back item
• Nightmare Grudge

  Ignore 4% targets dodge.
• S2 Scroll Capsule

  Increase attack damage by 8%. Recover 7% cp after dealing damage.
• S15 Seitenken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Yawata Magatama

  Increase 3% accuracy.
  Additional 20 HP damage upon all attack.
• Egg Hunter Basket

  Increase 6% accuracy. (Easter 2011 Limited Edition)
• Scroll: Kinjutsu I
• Stuff Bunny

  Increase Max. HP by 2% and Max. CP by 4%.
• S76 Buckler and Sword

  Increase max.HP by 12% but reduce max. CP by 2%.
• Raijin Raijinco
• Scroll: Rikugo
• Bat Back Item

  Back item design with reference from Halloween - Bats. Increase 5% dodge rate and decrease damage 5% at the same time.
• Cheerful Snowman

  Increase Max. CP by 20%. Recover 2% HP at the start of every turn. but reduce max. HP by 12%.
• S5 Possessed Koto

  Increase purify chance by 7%. Reduce jutsu CP consumption for 10%. Has 15% Chance to stun target when attack with weapon for 1 turn.
• Brilliant Stock Pot

  Increase max. HP by 8% and purify chance by 2% but reduce max. CP by 8%.
• Leos Recurve Bow

  Increases damage by 4% and dodge rate by 1%.
• 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.