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 :

• Scroll: Messenger

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• Christmas Chimney

  4% chance to freeze enemy who attacks user (1 turn). Frozen target cannot move but damage taken is reduced by 80%.
• Spirit Flag

  An inspiring banner that boosts the holders morale. Increase critical chance and dodge rate by 3%.
• Wooden Hammer
• S59 Rejuvenating Blade Wings

  Increases Max. HP by 6% and Max. CP by 4%.
• S35 Mini Teiko

  Increase agility by 1 and ignore enemys dodge rate by 2%.
• S56 Curse Brush

  A legendary Ink Brush that has the ability to materialize drawings. Increase critical rate by 5% and accuracy by 6%.
• Newbie backpack (Red)

  Double mission XP reward in level 1 to level 10.
• Shigu Twin Blades
• S8 Scroll of Golden Snake

  Increase all attack damage by 4%. Decrease damage taken by 4%.
• S26 Bashosen

  Increase 10% Combustion chance.
• Wooden Repeating Crossbow
• 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.
• Soul of Egg Hunting Beast

  2012 Egg Hunting Event
• Merlins Magical book

  Increases attack damage 5%
• S4 Bladed Wings

  Reduce damage taken by 400. Recovers 1% of the user's max HP
• S14 Ancient Yabusa Knife

  Increases attack damage 4% and ignore 3% of targets dodge.
• Cancer Assegai

  Increases critical rate by 4%. Reduce damage taken by 3%.
• Ukon Three Blades
• Ramen Shop Lantern
• Ishiyama Lantern

  Reduce damage taken by 49.
• Folding Paper Fan
• Cheerful Snowman

  Increase Max. CP by 20%. Recover 2% HP at the start of every turn. but reduce max. HP by 12%.
• Charming Aura (Black)

  2012 Valentines day limited aura, increase critical chance 2%.
• S42 Hanbing Hammer

  8% chance to convert damage taken to HP positively.
• S21 Rokulin Gunbai

  Ignore enemys dodge rate by 8%.
• Cupids Flying Envelop

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