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 :

• GM back item
• Wine Gourd
• Mace of Pandemonium

  Increases attack damage by 6%. Has 4% chance to convert damage taken to HP positively.
• Nightmare Grudge

  Ignore 4% targets dodge.
• Leos Recurve Bow

  Increases damage by 4% and dodge rate by 1%.
• Scroll: Kinjutsu I
• Dark Evil Sickle

  Exclusive Halloween item - the devils sickle that has 10% chance to absorb 1% HP of enemy who attack you.
• Carnival Taiko

  Play the Taiko in Ninja Saga Anniversary Carnival! Recover 5 HP and CP at the start of every turn.
• Sakura Rain Battle Umbrella
• S35 Mini Teiko

  Increase agility by 1 and ignore enemys dodge rate by 2%.
• Orange Kikyo Skis
• Sakura Lantern

  Increase Combustion chance by 10%.(Minimum requirement of 1 Attribute Point in Fire to activate combustion effect). Has 10% chance to absorb 2% HP of enemy who attack you.
• Cupids Flying Envelop

  A message to a far away lover.
  Reduces damage taken by 60.
  Increases max HP by 5%.
• Carp Flag
• S75 Trifecta Swords

  It gives off a strange feeling of vigor. Restores CP by 3%. Increases max CP by 7%.
• Black Double Gun

  Ignore enemys dodge rate by 3%. Increase accuracy by 3%.
• Village Red Lantern
• 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.
• Thorn hammer
• Zombie Hand

  Increase attack damage by 15%. But each turn reduce 200 HP and 300 CP.
• Sagittarius Hunting Set

  Increases dodge rate by 4%. Additional 80 HP damage on all attacks.
• Celestial Wood Raijinco
• Assault Kite

  Recover 100 HP and 80 CP at the start of every turn.
• Mini Scroll
• S69 Skull Cloak

  Increases Max. HP by 4%. Restores HP by 4%. Increase attack damage by 6%.
• Minotaurs Horn

  Recover 350 HP at the start of every turn. Has 15% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• S12 Golden Bujin Jitte

  Increase dodge rate by 10%.