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 Wreath

  Increase agility by 1 and Max HP by 1%.
• Flame Blade Raijinco
• Ancient Shinobi War Decorated

  Additional 60 HP damage upon all attack.
• Hanami Dango

  Reduces damage received by 7%. Restore 85 HP every turn.
• S36 Wind Chakra Magatama

  Increase accuracy by 3% and dodge rate by 3%.
• S18 Kamimachi Lantern

  Increase 4% critical rate and recover HP by 1%.
• Sengoku Flag

  Increases damage by 4%. Each turn recover 120 HP.
• Mousetrap

  15% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• S2 Demons erosion

  Recovers 4% of the users max HP every turn. Additional 100 damage on all attacks.
• Chromaflake

  Increases damage by 5% and dodge rate by 3%.
• Chakra Kanawa

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Father's Heart

  Reduce damage taken by 6%.
• Ancient Pipe

  5% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• S71 Magic Clock

  Increases Max. CP by 10%. Recover CP after HP reduction. (Amount: 20% of HP reduction)
• S33 Book of Fate

  Increase Max. HP & CP by 4%
• Hanagara Hagoita

  Increase max. HP by 3%.
• Spinning Wheel

  Recover user's max HP by 1% each turn. Increases user's max CP by 2%. Converts 10% of damage taken into CP.
• Holy Wings

  Increase accuracy by 4% and dodge rate by 3%.
• S16 Umbra Fire Wheel

  Additional 170 HP damage upon all attack.
• S79 Blood Feather

  Has 15% chance to convert damage taken to HP positively.
• Shishimai Back

  Restores 3% of users max HP.Has 4% chance to convert damage taken to HP positively.
• Great Wooden Hammer

  Increase healing power of scrolls by 50%.
  Reduce 8 HP damage taken.
• Crystal Ice Mirror

  5% chance to freeze enemy who attack user (1 turn). Frozen target cannot move but damage taken is reduced by 80%
• Sakura Lucky Bag

  Increase 3% damage, 4% chance to freeze attackers for 1 turn . Frozen target cannot move but damage taken is reduced by 80%
• Bell of Beast

  Recover HP by 3%. 15% chance to absorb 3% HP of enemy who attack you.
• Mini Octopus
• S41 Dragon Gunnery

  Increase 25% Combustion chance, Ignore enemys dodge rate by 5%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)