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 :

• Christmas Chimney

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

  Theres no escaping love. Increases accuracy by 5%. Adds 40 damage in all of your attacks.
• Heart Aura

  Hidden feelings emerges! Recovers 2% of the user's max HP and 100 HP every turn.
• S18 Evil Spirit Shield

  Reduce 14% damage taken.
• Crimson Lanterns

  Increase attack damage by 6%. Has 6% chance to convert damage taken to HP positively.
• Moai Flagon

  Increase Max. HP by 3%. Reduce damage taken by 100.
• Writing Brush
• Three-stringed Lute Guitar
• Cupids Flying Envelop

  A message to a far away lover.
  Reduces damage taken by 60.
  Increases max HP by 5%.
• White Guitar
• Village Red Lantern
• Christmas Treasure Bag

  Increase agility by 1.
• Black Koi
• Mother's Hug (II)

  Recover 150 HP and 3% HP at the start of every turn.
• Radish Launcher

  It will fly you to the moon! (Easter 2011 Limited Edition)
• Leos Recurve Bow

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

  Increase dodge by 3%. Reduce damage taken by 80.
• Wooden Repeating Crossbow
• Love of coffee

  Prepared with love and empathy. Recovers 100 HP every turn. Increases attack damage by 4%.
• Ramen Shop Lantern
• S14 Profound Pincers

  20% chance to freeze enemy who attack user (1 turn). Frozen target cannot move but damage taken is reduced by 80%.
• Blue Wolf Tail
• S7 Gorgeous Butterfly

  Increase agility by 2. Recover 20% extra CP when charge.
• S40 Gozen Breeze Back Item

  Recover 7% HP with every Charge.
• Great Wooden Hammer

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• Scroll: Grassland
• Flame Blade Raijinco