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 :

• Twins Sakura

  Ignore 5% targets dodge.
• Drum: Ako
• S51 Enchanted Winged Carapace

  Increases accuracy by 3%. Recover 4% HP at the start of every turn.
• 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)
• Fathers Treasure

  2014 Fathers Day special back item. Doubles the TP reward from TP missions.
• Bell of Fortune

  6% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Tail Hunter Back Item

  Increase max. HP by 3%.
• S26 Bashosen

  Increase 10% Combustion chance.
• Harvest Treasure Bag

  Reduce damage taken by 140. Recover 5% extra CP when charge.
• Flag: Dragon Symbol
• S64 Twin Pinnacle Spear

  Powerful spears that can pinpoint enemy's weaknesses. Increases accuracy by 12%. But reduce self dodge rate by 5%.
• Sweet Treat

  Increase critical chance by 2% and dodge rate by 3%.
• Angel Heart (White)

  16% chance to absorb 2% HP of enemy who attack you.
• S83 Four Wings

  Increase dodge rate by 8%.
• S14 Profound Tentacles

  35% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• Curved Spear
• Cupid Wing

  Increase critical chance 4% and critical damage 10%.
• Purple Mixing Yellow Umbrella
• Shigu Twin Blades
• 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.
• Sengoku Flag

  Increases damage by 4%. Each turn recover 120 HP.
• Tail of Jyubi

  Forged with chakra of the legendary tailed beast, Jyubi. Increase attack damage by 15% but reduce max. CP by 30%.
• Vertical Light

  Reduce 15 HP damage taken.
• Samurai Painted Wood

  5% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• Scroll: Messenger (7 Days)

  Increase 2% accuracy.
  Reduce 20 HP damage taken.
  Recover 35 HP when each turn start.
• Mirror of Thousand Hands
• Bear of Affection

  Increase dodge rate by 3% and ignore target dodge by 3%.